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Finding the Fourth Proportional to 534,754.32, 802,132.56 and 219,154.56

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Solution

The fourth proportional to 534,754.32, 802,132.56 and 219,154.56 is: 328,732.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,754.32 : 802,132.56 = 219,154.56 : x
  2. Step 2: Convert to fraction form
    534,754.32/802,132.56 = 219,154.56/x
  3. Step 3: Cross multiply
    534,754.32x = 802,132.56 × 219,154.56
  4. Step 4: Simplify right side
    534,754.32x = 175,791,008,248.47
  5. Step 5: Solve for x
    x = 175,791,008,248.47/534,754.32
  6. Step 6: Final answer
    x = 328,732.28

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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.