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Finding the Fourth Proportional to 576,911.28, 865,367.52 and 150,446.82

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Solution

The fourth proportional to 576,911.28, 865,367.52 and 150,446.82 is: 225,670.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,911.28 : 865,367.52 = 150,446.82 : x
  2. Step 2: Convert to fraction form
    576,911.28/865,367.52 = 150,446.82/x
  3. Step 3: Cross multiply
    576,911.28x = 865,367.52 × 150,446.82
  4. Step 4: Simplify right side
    576,911.28x = 130,191,791,515.29
  5. Step 5: Solve for x
    x = 130,191,791,515.29/576,911.28
  6. Step 6: Final answer
    x = 225,670.39

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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.