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Finding the Fourth Proportional to 435,469.38, 653,036.13 and 169,194.84

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Solution

The fourth proportional to 435,469.38, 653,036.13 and 169,194.84 is: 253,727.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,469.38 : 653,036.13 = 169,194.84 : x
  2. Step 2: Convert to fraction form
    435,469.38/653,036.13 = 169,194.84/x
  3. Step 3: Cross multiply
    435,469.38x = 653,036.13 × 169,194.84
  4. Step 4: Simplify right side
    435,469.38x = 110,490,343,529.57
  5. Step 5: Solve for x
    x = 110,490,343,529.57/435,469.38
  6. Step 6: Final answer
    x = 253,727.01

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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.