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Finding the Fourth Proportional to 568,490.56, 852,667.92 and 442,256.80

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Solution

The fourth proportional to 568,490.56, 852,667.92 and 442,256.80 is: 663,332.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,490.56 : 852,667.92 = 442,256.80 : x
  2. Step 2: Convert to fraction form
    568,490.56/852,667.92 = 442,256.80/x
  3. Step 3: Cross multiply
    568,490.56x = 852,667.92 × 442,256.80
  4. Step 4: Simplify right side
    568,490.56x = 377,098,185,761.86
  5. Step 5: Solve for x
    x = 377,098,185,761.86/568,490.56
  6. Step 6: Final answer
    x = 663,332.36

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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.