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Finding the Fourth Proportional to 498,800.88, 748,499.40 and 183,289.68

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Solution

The fourth proportional to 498,800.88, 748,499.40 and 183,289.68 is: 275,044.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,800.88 : 748,499.40 = 183,289.68 : x
  2. Step 2: Convert to fraction form
    498,800.88/748,499.40 = 183,289.68/x
  3. Step 3: Cross multiply
    498,800.88x = 748,499.40 × 183,289.68
  4. Step 4: Simplify right side
    498,800.88x = 137,192,215,506.19
  5. Step 5: Solve for x
    x = 137,192,215,506.19/498,800.88
  6. Step 6: Final answer
    x = 275,044.05

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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.