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Finding the Fourth Proportional to 453,445.59, 680,439.39 and 169,335.66

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Solution

The fourth proportional to 453,445.59, 680,439.39 and 169,335.66 is: 254,104.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,445.59 : 680,439.39 = 169,335.66 : x
  2. Step 2: Convert to fraction form
    453,445.59/680,439.39 = 169,335.66/x
  3. Step 3: Cross multiply
    453,445.59x = 680,439.39 × 169,335.66
  4. Step 4: Simplify right side
    453,445.59x = 115,222,655,112.29
  5. Step 5: Solve for x
    x = 115,222,655,112.29/453,445.59
  6. Step 6: Final answer
    x = 254,104.70

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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.