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Finding the Fourth Proportional to 449,909.76, 674,847.84 and 112,952.64

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Solution

The fourth proportional to 449,909.76, 674,847.84 and 112,952.64 is: 169,424.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,909.76 : 674,847.84 = 112,952.64 : x
  2. Step 2: Convert to fraction form
    449,909.76/674,847.84 = 112,952.64/x
  3. Step 3: Cross multiply
    449,909.76x = 674,847.84 × 112,952.64
  4. Step 4: Simplify right side
    449,909.76x = 76,225,845,126.30
  5. Step 5: Solve for x
    x = 76,225,845,126.30/449,909.76
  6. Step 6: Final answer
    x = 169,424.74

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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.