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Finding the Fourth Proportional to 573,068, 859,266.36 and 218,108.24

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Solution

The fourth proportional to 573,068, 859,266.36 and 218,108.24 is: 327,034.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,068 : 859,266.36 = 218,108.24 : x
  2. Step 2: Convert to fraction form
    573,068/859,266.36 = 218,108.24/x
  3. Step 3: Cross multiply
    573,068x = 859,266.36 × 218,108.24
  4. Step 4: Simplify right side
    573,068x = 187,413,073,470.81
  5. Step 5: Solve for x
    x = 187,413,073,470.81/573,068
  6. Step 6: Final answer
    x = 327,034.62

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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.