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Finding the Fourth Proportional to 529,785.52, 794,428.80 and 192,589.04

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Solution

The fourth proportional to 529,785.52, 794,428.80 and 192,589.04 is: 288,792.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,785.52 : 794,428.80 = 192,589.04 : x
  2. Step 2: Convert to fraction form
    529,785.52/794,428.80 = 192,589.04/x
  3. Step 3: Cross multiply
    529,785.52x = 794,428.80 × 192,589.04
  4. Step 4: Simplify right side
    529,785.52x = 152,998,279,940.35
  5. Step 5: Solve for x
    x = 152,998,279,940.35/529,785.52
  6. Step 6: Final answer
    x = 288,792.87

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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.