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Finding the Fourth Proportional to 498,680.28, 748,035.54 and 195,062.28

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Solution

The fourth proportional to 498,680.28, 748,035.54 and 195,062.28 is: 292,599.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,680.28 : 748,035.54 = 195,062.28 : x
  2. Step 2: Convert to fraction form
    498,680.28/748,035.54 = 195,062.28/x
  3. Step 3: Cross multiply
    498,680.28x = 748,035.54 × 195,062.28
  4. Step 4: Simplify right side
    498,680.28x = 145,913,517,953.43
  5. Step 5: Solve for x
    x = 145,913,517,953.43/498,680.28
  6. Step 6: Final answer
    x = 292,599.33

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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.