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Finding the Fourth Proportional to 499,380.71, 749,145.65 and 183,813.62

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Solution

The fourth proportional to 499,380.71, 749,145.65 and 183,813.62 is: 275,747.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,380.71 : 749,145.65 = 183,813.62 : x
  2. Step 2: Convert to fraction form
    499,380.71/749,145.65 = 183,813.62/x
  3. Step 3: Cross multiply
    499,380.71x = 749,145.65 × 183,813.62
  4. Step 4: Simplify right side
    499,380.71x = 137,703,169,168.96
  5. Step 5: Solve for x
    x = 137,703,169,168.96/499,380.71
  6. Step 6: Final answer
    x = 275,747.88

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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.