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Finding the Fourth Proportional to 469,367.12, 702,708.96 and 439,572.88

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Solution

The fourth proportional to 469,367.12, 702,708.96 and 439,572.88 is: 658,102.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,367.12 : 702,708.96 = 439,572.88 : x
  2. Step 2: Convert to fraction form
    469,367.12/702,708.96 = 439,572.88/x
  3. Step 3: Cross multiply
    469,367.12x = 702,708.96 × 439,572.88
  4. Step 4: Simplify right side
    469,367.12x = 308,891,801,349.01
  5. Step 5: Solve for x
    x = 308,891,801,349.01/469,367.12
  6. Step 6: Final answer
    x = 658,102.77

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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.