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Finding the Fourth Proportional to 576,951.64, 865,873.86 and 377,217.88

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Solution

The fourth proportional to 576,951.64, 865,873.86 and 377,217.88 is: 566,118.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,951.64 : 865,873.86 = 377,217.88 : x
  2. Step 2: Convert to fraction form
    576,951.64/865,873.86 = 377,217.88/x
  3. Step 3: Cross multiply
    576,951.64x = 865,873.86 × 377,217.88
  4. Step 4: Simplify right side
    576,951.64x = 326,623,101,816.62
  5. Step 5: Solve for x
    x = 326,623,101,816.62/576,951.64
  6. Step 6: Final answer
    x = 566,118.68

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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.