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Finding the Fourth Proportional to 274,598.46, 378,750.20 and 252,010.40

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Solution

The fourth proportional to 274,598.46, 378,750.20 and 252,010.40 is: 347,594.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,598.46 : 378,750.20 = 252,010.40 : x
  2. Step 2: Convert to fraction form
    274,598.46/378,750.20 = 252,010.40/x
  3. Step 3: Cross multiply
    274,598.46x = 378,750.20 × 252,010.40
  4. Step 4: Simplify right side
    274,598.46x = 95,448,986,248.28
  5. Step 5: Solve for x
    x = 95,448,986,248.28/274,598.46
  6. Step 6: Final answer
    x = 347,594.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.