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Finding the Fourth Proportional to 867,135.60, 1,300,703.40 and 236,048.40

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Solution

The fourth proportional to 867,135.60, 1,300,703.40 and 236,048.40 is: 354,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,135.60 : 1,300,703.40 = 236,048.40 : x
  2. Step 2: Convert to fraction form
    867,135.60/1,300,703.40 = 236,048.40/x
  3. Step 3: Cross multiply
    867,135.60x = 1,300,703.40 × 236,048.40
  4. Step 4: Simplify right side
    867,135.60x = 307,028,956,444.56
  5. Step 5: Solve for x
    x = 307,028,956,444.56/867,135.60
  6. Step 6: Final answer
    x = 354,072.60

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Double scale
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Similar ratio
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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.