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Finding the Fourth Proportional to 655,276.71, 982,915.47 and 181,962.12

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Solution

The fourth proportional to 655,276.71, 982,915.47 and 181,962.12 is: 272,943.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,276.71 : 982,915.47 = 181,962.12 : x
  2. Step 2: Convert to fraction form
    655,276.71/982,915.47 = 181,962.12/x
  3. Step 3: Cross multiply
    655,276.71x = 982,915.47 × 181,962.12
  4. Step 4: Simplify right side
    655,276.71x = 178,853,382,702.00
  5. Step 5: Solve for x
    x = 178,853,382,702.00/655,276.71
  6. Step 6: Final answer
    x = 272,943.29

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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.