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Finding the Fourth Proportional to 504,866.52, 757,522.13 and 392,378.18

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Solution

The fourth proportional to 504,866.52, 757,522.13 and 392,378.18 is: 588,740.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,866.52 : 757,522.13 = 392,378.18 : x
  2. Step 2: Convert to fraction form
    504,866.52/757,522.13 = 392,378.18/x
  3. Step 3: Cross multiply
    504,866.52x = 757,522.13 × 392,378.18
  4. Step 4: Simplify right side
    504,866.52x = 297,235,148,929.62
  5. Step 5: Solve for x
    x = 297,235,148,929.62/504,866.52
  6. Step 6: Final answer
    x = 588,740.07

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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.