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Finding the Fourth Proportional to 573,020.20, 858,963.30 and 253,345.60

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Solution

The fourth proportional to 573,020.20, 858,963.30 and 253,345.60 is: 379,767.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,020.20 : 858,963.30 = 253,345.60 : x
  2. Step 2: Convert to fraction form
    573,020.20/858,963.30 = 253,345.60/x
  3. Step 3: Cross multiply
    573,020.20x = 858,963.30 × 253,345.60
  4. Step 4: Simplify right side
    573,020.20x = 217,614,572,616.48
  5. Step 5: Solve for x
    x = 217,614,572,616.48/573,020.20
  6. Step 6: Final answer
    x = 379,767.72

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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.