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Finding the Fourth Proportional to 573,042.74, 858,383.00 and 335,665.76

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Solution

The fourth proportional to 573,042.74, 858,383.00 and 335,665.76 is: 502,806.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,042.74 : 858,383.00 = 335,665.76 : x
  2. Step 2: Convert to fraction form
    573,042.74/858,383.00 = 335,665.76/x
  3. Step 3: Cross multiply
    573,042.74x = 858,383.00 × 335,665.76
  4. Step 4: Simplify right side
    573,042.74x = 288,129,780,387.75
  5. Step 5: Solve for x
    x = 288,129,780,387.75/573,042.74
  6. Step 6: Final answer
    x = 502,806.79

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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.