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Finding the Fourth Proportional to 531,702.71, 797,549.95 and 132,340.79

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Solution

The fourth proportional to 531,702.71, 797,549.95 and 132,340.79 is: 198,510.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,702.71 : 797,549.95 = 132,340.79 : x
  2. Step 2: Convert to fraction form
    531,702.71/797,549.95 = 132,340.79/x
  3. Step 3: Cross multiply
    531,702.71x = 797,549.95 × 132,340.79
  4. Step 4: Simplify right side
    531,702.71x = 105,548,390,447.46
  5. Step 5: Solve for x
    x = 105,548,390,447.46/531,702.71
  6. Step 6: Final answer
    x = 198,510.16

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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.