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Finding the Fourth Proportional to 453,169.98, 625,405.14 and 299,944.17

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Solution

The fourth proportional to 453,169.98, 625,405.14 and 299,944.17 is: 413,943.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,169.98 : 625,405.14 = 299,944.17 : x
  2. Step 2: Convert to fraction form
    453,169.98/625,405.14 = 299,944.17/x
  3. Step 3: Cross multiply
    453,169.98x = 625,405.14 × 299,944.17
  4. Step 4: Simplify right side
    453,169.98x = 187,586,625,631.03
  5. Step 5: Solve for x
    x = 187,586,625,631.03/453,169.98
  6. Step 6: Final answer
    x = 413,943.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.