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Finding the Fourth Proportional to 471,045.48, 649,765.90 and 296,337.89

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Solution

The fourth proportional to 471,045.48, 649,765.90 and 296,337.89 is: 408,772.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,045.48 : 649,765.90 = 296,337.89 : x
  2. Step 2: Convert to fraction form
    471,045.48/649,765.90 = 296,337.89/x
  3. Step 3: Cross multiply
    471,045.48x = 649,765.90 × 296,337.89
  4. Step 4: Simplify right side
    471,045.48x = 192,550,257,794.79
  5. Step 5: Solve for x
    x = 192,550,257,794.79/471,045.48
  6. Step 6: Final answer
    x = 408,772.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.