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Finding the Fourth Proportional to 453,892.60, 680,839.68 and 187,360.48

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Solution

The fourth proportional to 453,892.60, 680,839.68 and 187,360.48 is: 281,041.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,892.60 : 680,839.68 = 187,360.48 : x
  2. Step 2: Convert to fraction form
    453,892.60/680,839.68 = 187,360.48/x
  3. Step 3: Cross multiply
    453,892.60x = 680,839.68 × 187,360.48
  4. Step 4: Simplify right side
    453,892.60x = 127,562,449,247.85
  5. Step 5: Solve for x
    x = 127,562,449,247.85/453,892.60
  6. Step 6: Final answer
    x = 281,041.04

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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.