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Finding the Fourth Proportional to 498,930.35, 748,690.76 and 183,608.69

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Solution

The fourth proportional to 498,930.35, 748,690.76 and 183,608.69 is: 275,521.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,930.35 : 748,690.76 = 183,608.69 : x
  2. Step 2: Convert to fraction form
    498,930.35/748,690.76 = 183,608.69/x
  3. Step 3: Cross multiply
    498,930.35x = 748,690.76 × 183,608.69
  4. Step 4: Simplify right side
    498,930.35x = 137,466,126,374.27
  5. Step 5: Solve for x
    x = 137,466,126,374.27/498,930.35
  6. Step 6: Final answer
    x = 275,521.68

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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.