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Finding the Fourth Proportional to 502,376.97, 753,572.54 and 147,398.32

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Solution

The fourth proportional to 502,376.97, 753,572.54 and 147,398.32 is: 221,099.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,376.97 : 753,572.54 = 147,398.32 : x
  2. Step 2: Convert to fraction form
    502,376.97/753,572.54 = 147,398.32/x
  3. Step 3: Cross multiply
    502,376.97x = 753,572.54 × 147,398.32
  4. Step 4: Simplify right side
    502,376.97x = 111,075,324,878.70
  5. Step 5: Solve for x
    x = 111,075,324,878.70/502,376.97
  6. Step 6: Final answer
    x = 221,099.56

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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.