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Finding the Fourth Proportional to 557,951.20, 836,119.04 and 384,665.08

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Solution

The fourth proportional to 557,951.20, 836,119.04 and 384,665.08 is: 576,440.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,951.20 : 836,119.04 = 384,665.08 : x
  2. Step 2: Convert to fraction form
    557,951.20/836,119.04 = 384,665.08/x
  3. Step 3: Cross multiply
    557,951.20x = 836,119.04 × 384,665.08
  4. Step 4: Simplify right side
    557,951.20x = 321,625,797,411.12
  5. Step 5: Solve for x
    x = 321,625,797,411.12/557,951.20
  6. Step 6: Final answer
    x = 576,440.73

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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.