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Finding the Fourth Proportional to 435,886.68, 653,659.38 and 169,611.96

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Solution

The fourth proportional to 435,886.68, 653,659.38 and 169,611.96 is: 254,351.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,886.68 : 653,659.38 = 169,611.96 : x
  2. Step 2: Convert to fraction form
    435,886.68/653,659.38 = 169,611.96/x
  3. Step 3: Cross multiply
    435,886.68x = 653,659.38 × 169,611.96
  4. Step 4: Simplify right side
    435,886.68x = 110,868,448,614.19
  5. Step 5: Solve for x
    x = 110,868,448,614.19/435,886.68
  6. Step 6: Final answer
    x = 254,351.54

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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.