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Finding the Fourth Proportional to 291,614.85, 437,422.23 and 69,998.85

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Solution

The fourth proportional to 291,614.85, 437,422.23 and 69,998.85 is: 104,998.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,614.85 : 437,422.23 = 69,998.85 : x
  2. Step 2: Convert to fraction form
    291,614.85/437,422.23 = 69,998.85/x
  3. Step 3: Cross multiply
    291,614.85x = 437,422.23 × 69,998.85
  4. Step 4: Simplify right side
    291,614.85x = 30,619,053,064.44
  5. Step 5: Solve for x
    x = 30,619,053,064.44/291,614.85
  6. Step 6: Final answer
    x = 104,998.26

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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.