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Finding the Fourth Proportional to 652,240.97, 900,101.75 and 394,082.00

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Solution

The fourth proportional to 652,240.97, 900,101.75 and 394,082.00 is: 543,838.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,240.97 : 900,101.75 = 394,082.00 : x
  2. Step 2: Convert to fraction form
    652,240.97/900,101.75 = 394,082.00/x
  3. Step 3: Cross multiply
    652,240.97x = 900,101.75 × 394,082.00
  4. Step 4: Simplify right side
    652,240.97x = 354,713,891,372.58
  5. Step 5: Solve for x
    x = 354,713,891,372.58/652,240.97
  6. Step 6: Final answer
    x = 543,838.72

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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.