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Finding the Fourth Proportional to 499,288.02, 748,932.05 and 166,864.02

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Solution

The fourth proportional to 499,288.02, 748,932.05 and 166,864.02 is: 250,296.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,288.02 : 748,932.05 = 166,864.02 : x
  2. Step 2: Convert to fraction form
    499,288.02/748,932.05 = 166,864.02/x
  3. Step 3: Cross multiply
    499,288.02x = 748,932.05 × 166,864.02
  4. Step 4: Simplify right side
    499,288.02x = 124,969,812,569.84
  5. Step 5: Solve for x
    x = 124,969,812,569.84/499,288.02
  6. Step 6: Final answer
    x = 250,296.04

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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.