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Finding the Fourth Proportional to 655,948.74, 984,059.25 and 276,872.65

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Solution

The fourth proportional to 655,948.74, 984,059.25 and 276,872.65 is: 415,366.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,948.74 : 984,059.25 = 276,872.65 : x
  2. Step 2: Convert to fraction form
    655,948.74/984,059.25 = 276,872.65/x
  3. Step 3: Cross multiply
    655,948.74x = 984,059.25 × 276,872.65
  4. Step 4: Simplify right side
    655,948.74x = 272,459,092,304.51
  5. Step 5: Solve for x
    x = 272,459,092,304.51/655,948.74
  6. Step 6: Final answer
    x = 415,366.44

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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.