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Finding the Fourth Proportional to 534,908.17, 738,248.88 and 331,024.76

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Solution

The fourth proportional to 534,908.17, 738,248.88 and 331,024.76 is: 456,860.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,908.17 : 738,248.88 = 331,024.76 : x
  2. Step 2: Convert to fraction form
    534,908.17/738,248.88 = 331,024.76/x
  3. Step 3: Cross multiply
    534,908.17x = 738,248.88 × 331,024.76
  4. Step 4: Simplify right side
    534,908.17x = 244,378,658,322.27
  5. Step 5: Solve for x
    x = 244,378,658,322.27/534,908.17
  6. Step 6: Final answer
    x = 456,860.96

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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.