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Finding the Fourth Proportional to 368,001.30, 552,001.95 and 305,793.30

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Solution

The fourth proportional to 368,001.30, 552,001.95 and 305,793.30 is: 458,689.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,001.30 : 552,001.95 = 305,793.30 : x
  2. Step 2: Convert to fraction form
    368,001.30/552,001.95 = 305,793.30/x
  3. Step 3: Cross multiply
    368,001.30x = 552,001.95 × 305,793.30
  4. Step 4: Simplify right side
    368,001.30x = 168,798,497,896.94
  5. Step 5: Solve for x
    x = 168,798,497,896.94/368,001.30
  6. Step 6: Final answer
    x = 458,689.95

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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.