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Finding the Fourth Proportional to 291,614.84, 437,422.28 and 69,998.84

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Solution

The fourth proportional to 291,614.84, 437,422.28 and 69,998.84 is: 104,998.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,614.84 : 437,422.28 = 69,998.84 : x
  2. Step 2: Convert to fraction form
    291,614.84/437,422.28 = 69,998.84/x
  3. Step 3: Cross multiply
    291,614.84x = 437,422.28 × 69,998.84
  4. Step 4: Simplify right side
    291,614.84x = 30,619,052,190.16
  5. Step 5: Solve for x
    x = 30,619,052,190.16/291,614.84
  6. Step 6: Final answer
    x = 104,998.26

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Similar ratio
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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.