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Finding the Fourth Proportional to 576,938.75, 865,600.38 and 363,460.20

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Solution

The fourth proportional to 576,938.75, 865,600.38 and 363,460.20 is: 545,311.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,938.75 : 865,600.38 = 363,460.20 : x
  2. Step 2: Convert to fraction form
    576,938.75/865,600.38 = 363,460.20/x
  3. Step 3: Cross multiply
    576,938.75x = 865,600.38 × 363,460.20
  4. Step 4: Simplify right side
    576,938.75x = 314,611,287,234.88
  5. Step 5: Solve for x
    x = 314,611,287,234.88/576,938.75
  6. Step 6: Final answer
    x = 545,311.42

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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.