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Finding the Fourth Proportional to 655,046.40, 982,570.08 and 181,732.20

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Solution

The fourth proportional to 655,046.40, 982,570.08 and 181,732.20 is: 272,598.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,046.40 : 982,570.08 = 181,732.20 : x
  2. Step 2: Convert to fraction form
    655,046.40/982,570.08 = 181,732.20/x
  3. Step 3: Cross multiply
    655,046.40x = 982,570.08 × 181,732.20
  4. Step 4: Simplify right side
    655,046.40x = 178,564,622,292.58
  5. Step 5: Solve for x
    x = 178,564,622,292.58/655,046.40
  6. Step 6: Final answer
    x = 272,598.43

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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.