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Finding the Fourth Proportional to 590,379.57, 885,158.46 and 261,565.83

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Solution

The fourth proportional to 590,379.57, 885,158.46 and 261,565.83 is: 392,166.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,379.57 : 885,158.46 = 261,565.83 : x
  2. Step 2: Convert to fraction form
    590,379.57/885,158.46 = 261,565.83/x
  3. Step 3: Cross multiply
    590,379.57x = 885,158.46 × 261,565.83
  4. Step 4: Simplify right side
    590,379.57x = 231,527,207,271.42
  5. Step 5: Solve for x
    x = 231,527,207,271.42/590,379.57
  6. Step 6: Final answer
    x = 392,166.70

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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.