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Finding the Fourth Proportional to 463,806.87, 695,700.39 and 126,847.52

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Solution

The fourth proportional to 463,806.87, 695,700.39 and 126,847.52 is: 190,268.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,806.87 : 695,700.39 = 126,847.52 : x
  2. Step 2: Convert to fraction form
    463,806.87/695,700.39 = 126,847.52/x
  3. Step 3: Cross multiply
    463,806.87x = 695,700.39 × 126,847.52
  4. Step 4: Simplify right side
    463,806.87x = 88,247,868,027.07
  5. Step 5: Solve for x
    x = 88,247,868,027.07/463,806.87
  6. Step 6: Final answer
    x = 190,268.57

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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.