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Finding the Fourth Proportional to 541,001.28, 746,603.75 and 299,279.69

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Solution

The fourth proportional to 541,001.28, 746,603.75 and 299,279.69 is: 413,018.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,001.28 : 746,603.75 = 299,279.69 : x
  2. Step 2: Convert to fraction form
    541,001.28/746,603.75 = 299,279.69/x
  3. Step 3: Cross multiply
    541,001.28x = 746,603.75 × 299,279.69
  4. Step 4: Simplify right side
    541,001.28x = 223,443,335,119.82
  5. Step 5: Solve for x
    x = 223,443,335,119.82/541,001.28
  6. Step 6: Final answer
    x = 413,018.13

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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.