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Finding the Fourth Proportional to 478,773.20, 718,166.04 and 229,396.88

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Solution

The fourth proportional to 478,773.20, 718,166.04 and 229,396.88 is: 344,098.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,773.20 : 718,166.04 = 229,396.88 : x
  2. Step 2: Convert to fraction form
    478,773.20/718,166.04 = 229,396.88/x
  3. Step 3: Cross multiply
    478,773.20x = 718,166.04 × 229,396.88
  4. Step 4: Simplify right side
    478,773.20x = 164,745,048,897.96
  5. Step 5: Solve for x
    x = 164,745,048,897.96/478,773.20
  6. Step 6: Final answer
    x = 344,098.31

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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.