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Finding the Fourth Proportional to 499,433.49, 749,157.21 and 162,475.92

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Solution

The fourth proportional to 499,433.49, 749,157.21 and 162,475.92 is: 243,716.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,433.49 : 749,157.21 = 162,475.92 : x
  2. Step 2: Convert to fraction form
    499,433.49/749,157.21 = 162,475.92/x
  3. Step 3: Cross multiply
    499,433.49x = 749,157.21 × 162,475.92
  4. Step 4: Simplify right side
    499,433.49x = 121,720,006,919.38
  5. Step 5: Solve for x
    x = 121,720,006,919.38/499,433.49
  6. Step 6: Final answer
    x = 243,716.15

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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.