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Finding the Fourth Proportional to 488,079.79, 732,000.23 and 203,772.70

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Solution

The fourth proportional to 488,079.79, 732,000.23 and 203,772.70 is: 305,609.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,079.79 : 732,000.23 = 203,772.70 : x
  2. Step 2: Convert to fraction form
    488,079.79/732,000.23 = 203,772.70/x
  3. Step 3: Cross multiply
    488,079.79x = 732,000.23 × 203,772.70
  4. Step 4: Simplify right side
    488,079.79x = 149,161,663,267.72
  5. Step 5: Solve for x
    x = 149,161,663,267.72/488,079.79
  6. Step 6: Final answer
    x = 305,609.18

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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.