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Finding the Fourth Proportional to 499,557.70, 749,343.66 and 162,600.13

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Solution

The fourth proportional to 499,557.70, 749,343.66 and 162,600.13 is: 243,902.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,557.70 : 749,343.66 = 162,600.13 : x
  2. Step 2: Convert to fraction form
    499,557.70/749,343.66 = 162,600.13/x
  3. Step 3: Cross multiply
    499,557.70x = 749,343.66 × 162,600.13
  4. Step 4: Simplify right side
    499,557.70x = 121,843,376,530.68
  5. Step 5: Solve for x
    x = 121,843,376,530.68/499,557.70
  6. Step 6: Final answer
    x = 243,902.51

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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.