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Finding the Fourth Proportional to 534,957.68, 738,317.14 and 331,074.27

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Solution

The fourth proportional to 534,957.68, 738,317.14 and 331,074.27 is: 456,929.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,957.68 : 738,317.14 = 331,074.27 : x
  2. Step 2: Convert to fraction form
    534,957.68/738,317.14 = 331,074.27/x
  3. Step 3: Cross multiply
    534,957.68x = 738,317.14 × 331,074.27
  4. Step 4: Simplify right side
    534,957.68x = 244,437,807,326.30
  5. Step 5: Solve for x
    x = 244,437,807,326.30/534,957.68
  6. Step 6: Final answer
    x = 456,929.24

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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.