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Finding the Fourth Proportional to 499,042.28, 748,859.90 and 183,720.62

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Solution

The fourth proportional to 499,042.28, 748,859.90 and 183,720.62 is: 275,690.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,042.28 : 748,859.90 = 183,720.62 : x
  2. Step 2: Convert to fraction form
    499,042.28/748,859.90 = 183,720.62/x
  3. Step 3: Cross multiply
    499,042.28x = 748,859.90 × 183,720.62
  4. Step 4: Simplify right side
    499,042.28x = 137,581,006,074.69
  5. Step 5: Solve for x
    x = 137,581,006,074.69/499,042.28
  6. Step 6: Final answer
    x = 275,690.08

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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.