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Finding the Fourth Proportional to 534,957.30, 738,478.47 and 341,618.30

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Solution

The fourth proportional to 534,957.30, 738,478.47 and 341,618.30 is: 471,584.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,957.30 : 738,478.47 = 341,618.30 : x
  2. Step 2: Convert to fraction form
    534,957.30/738,478.47 = 341,618.30/x
  3. Step 3: Cross multiply
    534,957.30x = 738,478.47 × 341,618.30
  4. Step 4: Simplify right side
    534,957.30x = 252,277,755,815.61
  5. Step 5: Solve for x
    x = 252,277,755,815.61/534,957.30
  6. Step 6: Final answer
    x = 471,584.85

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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.