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Finding the Fourth Proportional to 531,391.88, 797,084.84 and 132,032.48

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Solution

The fourth proportional to 531,391.88, 797,084.84 and 132,032.48 is: 198,047.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,391.88 : 797,084.84 = 132,032.48 : x
  2. Step 2: Convert to fraction form
    531,391.88/797,084.84 = 132,032.48/x
  3. Step 3: Cross multiply
    531,391.88x = 797,084.84 × 132,032.48
  4. Step 4: Simplify right side
    531,391.88x = 105,241,083,550.02
  5. Step 5: Solve for x
    x = 105,241,083,550.02/531,391.88
  6. Step 6: Final answer
    x = 198,047.97

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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.