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Finding the Fourth Proportional to 498,890.47, 748,630.95 and 183,568.81

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Solution

The fourth proportional to 498,890.47, 748,630.95 and 183,568.81 is: 275,461.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,890.47 : 748,630.95 = 183,568.81 : x
  2. Step 2: Convert to fraction form
    498,890.47/748,630.95 = 183,568.81/x
  3. Step 3: Cross multiply
    498,890.47x = 748,630.95 × 183,568.81
  4. Step 4: Simplify right side
    498,890.47x = 137,425,292,620.67
  5. Step 5: Solve for x
    x = 137,425,292,620.67/498,890.47
  6. Step 6: Final answer
    x = 275,461.85

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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.