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Finding the Fourth Proportional to 502,701.28, 754,045.24 and 123,625.28

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Solution

The fourth proportional to 502,701.28, 754,045.24 and 123,625.28 is: 185,436.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,701.28 : 754,045.24 = 123,625.28 : x
  2. Step 2: Convert to fraction form
    502,701.28/754,045.24 = 123,625.28/x
  3. Step 3: Cross multiply
    502,701.28x = 754,045.24 × 123,625.28
  4. Step 4: Simplify right side
    502,701.28x = 93,219,053,927.67
  5. Step 5: Solve for x
    x = 93,219,053,927.67/502,701.28
  6. Step 6: Final answer
    x = 185,436.28

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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.