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Finding the Fourth Proportional to 867,134.40, 1,300,701.60 and 368,433.60

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Solution

The fourth proportional to 867,134.40, 1,300,701.60 and 368,433.60 is: 552,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,134.40 : 1,300,701.60 = 368,433.60 : x
  2. Step 2: Convert to fraction form
    867,134.40/1,300,701.60 = 368,433.60/x
  3. Step 3: Cross multiply
    867,134.40x = 1,300,701.60 × 368,433.60
  4. Step 4: Simplify right side
    867,134.40x = 479,222,173,013.76
  5. Step 5: Solve for x
    x = 479,222,173,013.76/867,134.40
  6. Step 6: Final answer
    x = 552,650.40

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.