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Finding the Fourth Proportional to 577,422.30, 865,672.65 and 244,724.70

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Solution

The fourth proportional to 577,422.30, 865,672.65 and 244,724.70 is: 366,891.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,422.30 : 865,672.65 = 244,724.70 : x
  2. Step 2: Convert to fraction form
    577,422.30/865,672.65 = 244,724.70/x
  3. Step 3: Cross multiply
    577,422.30x = 865,672.65 × 244,724.70
  4. Step 4: Simplify right side
    577,422.30x = 211,851,479,569.46
  5. Step 5: Solve for x
    x = 211,851,479,569.46/577,422.30
  6. Step 6: Final answer
    x = 366,891.75

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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.