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Finding the Fourth Proportional to 502,882.71, 754,819.79 and 369,388.23

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Solution

The fourth proportional to 502,882.71, 754,819.79 and 369,388.23 is: 554,446.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,882.71 : 754,819.79 = 369,388.23 : x
  2. Step 2: Convert to fraction form
    502,882.71/754,819.79 = 369,388.23/x
  3. Step 3: Cross multiply
    502,882.71x = 754,819.79 × 369,388.23
  4. Step 4: Simplify right side
    502,882.71x = 278,821,546,197.07
  5. Step 5: Solve for x
    x = 278,821,546,197.07/502,882.71
  6. Step 6: Final answer
    x = 554,446.48

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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.