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Finding the Fourth Proportional to 350,757.81, 526,006.80 and 126,057.69

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Solution

The fourth proportional to 350,757.81, 526,006.80 and 126,057.69 is: 189,039.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,757.81 : 526,006.80 = 126,057.69 : x
  2. Step 2: Convert to fraction form
    350,757.81/526,006.80 = 126,057.69/x
  3. Step 3: Cross multiply
    350,757.81x = 526,006.80 × 126,057.69
  4. Step 4: Simplify right side
    350,757.81x = 66,307,202,132.29
  5. Step 5: Solve for x
    x = 66,307,202,132.29/350,757.81
  6. Step 6: Final answer
    x = 189,039.85

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1.5x scale

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.