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Finding the Fourth Proportional to 453,554.67, 680,279.13 and 169,255.02

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Solution

The fourth proportional to 453,554.67, 680,279.13 and 169,255.02 is: 253,862.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,554.67 : 680,279.13 = 169,255.02 : x
  2. Step 2: Convert to fraction form
    453,554.67/680,279.13 = 169,255.02/x
  3. Step 3: Cross multiply
    453,554.67x = 680,279.13 × 169,255.02
  4. Step 4: Simplify right side
    453,554.67x = 115,140,657,753.73
  5. Step 5: Solve for x
    x = 115,140,657,753.73/453,554.67
  6. Step 6: Final answer
    x = 253,862.80

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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.