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Finding the Fourth Proportional to 576,512.22, 865,299.96 and 292,402.20

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Solution

The fourth proportional to 576,512.22, 865,299.96 and 292,402.20 is: 438,872.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,512.22 : 865,299.96 = 292,402.20 : x
  2. Step 2: Convert to fraction form
    576,512.22/865,299.96 = 292,402.20/x
  3. Step 3: Cross multiply
    576,512.22x = 865,299.96 × 292,402.20
  4. Step 4: Simplify right side
    576,512.22x = 253,015,611,963.91
  5. Step 5: Solve for x
    x = 253,015,611,963.91/576,512.22
  6. Step 6: Final answer
    x = 438,872.94

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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.