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Finding the Fourth Proportional to 551,572.20, 826,592.84 and 251,319

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Solution

The fourth proportional to 551,572.20, 826,592.84 and 251,319 is: 376,629.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,572.20 : 826,592.84 = 251,319 : x
  2. Step 2: Convert to fraction form
    551,572.20/826,592.84 = 251,319/x
  3. Step 3: Cross multiply
    551,572.20x = 826,592.84 × 251,319
  4. Step 4: Simplify right side
    551,572.20x = 207,738,485,955.96
  5. Step 5: Solve for x
    x = 207,738,485,955.96/551,572.20
  6. Step 6: Final answer
    x = 376,629.72

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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.