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Finding the Fourth Proportional to 551,687.15, 827,515.40 and 146,882.83

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Solution

The fourth proportional to 551,687.15, 827,515.40 and 146,882.83 is: 220,320.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,687.15 : 827,515.40 = 146,882.83 : x
  2. Step 2: Convert to fraction form
    551,687.15/827,515.40 = 146,882.83/x
  3. Step 3: Cross multiply
    551,687.15x = 827,515.40 × 146,882.83
  4. Step 4: Simplify right side
    551,687.15x = 121,547,804,765.44
  5. Step 5: Solve for x
    x = 121,547,804,765.44/551,687.15
  6. Step 6: Final answer
    x = 220,320.17

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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.