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Finding the Fourth Proportional to 617,753.40, 854,126.36 and 541,052.56

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Solution

The fourth proportional to 617,753.40, 854,126.36 and 541,052.56 is: 748,077.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,753.40 : 854,126.36 = 541,052.56 : x
  2. Step 2: Convert to fraction form
    617,753.40/854,126.36 = 541,052.56/x
  3. Step 3: Cross multiply
    617,753.40x = 854,126.36 × 541,052.56
  4. Step 4: Simplify right side
    617,753.40x = 462,127,253,641.48
  5. Step 5: Solve for x
    x = 462,127,253,641.48/617,753.40
  6. Step 6: Final answer
    x = 748,077.23

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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.