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Finding the Fourth Proportional to 350,866.56, 526,212.09 and 137,677.80

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Solution

The fourth proportional to 350,866.56, 526,212.09 and 137,677.80 is: 206,482.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,866.56 : 526,212.09 = 137,677.80 : x
  2. Step 2: Convert to fraction form
    350,866.56/526,212.09 = 137,677.80/x
  3. Step 3: Cross multiply
    350,866.56x = 526,212.09 × 137,677.80
  4. Step 4: Simplify right side
    350,866.56x = 72,447,722,884.60
  5. Step 5: Solve for x
    x = 72,447,722,884.60/350,866.56
  6. Step 6: Final answer
    x = 206,482.27

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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.