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Finding the Fourth Proportional to 551,443.30, 827,164.95 and 501,579.70

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Solution

The fourth proportional to 551,443.30, 827,164.95 and 501,579.70 is: 752,369.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,443.30 : 827,164.95 = 501,579.70 : x
  2. Step 2: Convert to fraction form
    551,443.30/827,164.95 = 501,579.70/x
  3. Step 3: Cross multiply
    551,443.30x = 827,164.95 × 501,579.70
  4. Step 4: Simplify right side
    551,443.30x = 414,889,147,471.52
  5. Step 5: Solve for x
    x = 414,889,147,471.52/551,443.30
  6. Step 6: Final answer
    x = 752,369.55

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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.