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Finding the Fourth Proportional to 453,505.77, 680,236.16 and 169,174.17

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Solution

The fourth proportional to 453,505.77, 680,236.16 and 169,174.17 is: 253,752.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,505.77 : 680,236.16 = 169,174.17 : x
  2. Step 2: Convert to fraction form
    453,505.77/680,236.16 = 169,174.17/x
  3. Step 3: Cross multiply
    453,505.77x = 680,236.16 × 169,174.17
  4. Step 4: Simplify right side
    453,505.77x = 115,078,386,926.12
  5. Step 5: Solve for x
    x = 115,078,386,926.12/453,505.77
  6. Step 6: Final answer
    x = 253,752.86

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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.