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Finding the Fourth Proportional to 366,920.73, 506,354.85 and 203,580.31

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Solution

The fourth proportional to 366,920.73, 506,354.85 and 203,580.31 is: 280,943.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,920.73 : 506,354.85 = 203,580.31 : x
  2. Step 2: Convert to fraction form
    366,920.73/506,354.85 = 203,580.31/x
  3. Step 3: Cross multiply
    366,920.73x = 506,354.85 × 203,580.31
  4. Step 4: Simplify right side
    366,920.73x = 103,083,877,333.00
  5. Step 5: Solve for x
    x = 103,083,877,333.00/366,920.73
  6. Step 6: Final answer
    x = 280,943.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.