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Finding the Fourth Proportional to 532,812.25, 799,612.85 and 252,330.31

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Solution

The fourth proportional to 532,812.25, 799,612.85 and 252,330.31 is: 378,682.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,812.25 : 799,612.85 = 252,330.31 : x
  2. Step 2: Convert to fraction form
    532,812.25/799,612.85 = 252,330.31/x
  3. Step 3: Cross multiply
    532,812.25x = 799,612.85 × 252,330.31
  4. Step 4: Simplify right side
    532,812.25x = 201,766,558,320.48
  5. Step 5: Solve for x
    x = 201,766,558,320.48/532,812.25
  6. Step 6: Final answer
    x = 378,682.28

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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.