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Finding the Fourth Proportional to 557,891.72, 836,948.94 and 291,772.04

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Solution

The fourth proportional to 557,891.72, 836,948.94 and 291,772.04 is: 437,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,891.72 : 836,948.94 = 291,772.04 : x
  2. Step 2: Convert to fraction form
    557,891.72/836,948.94 = 291,772.04/x
  3. Step 3: Cross multiply
    557,891.72x = 836,948.94 × 291,772.04
  4. Step 4: Simplify right side
    557,891.72x = 244,198,299,599.64
  5. Step 5: Solve for x
    x = 244,198,299,599.64/557,891.72
  6. Step 6: Final answer
    x = 437,716.30

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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.