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Finding the Fourth Proportional to 344,260.31, 516,191.81 and 133,652.21

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Solution

The fourth proportional to 344,260.31, 516,191.81 and 133,652.21 is: 200,401.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,260.31 : 516,191.81 = 133,652.21 : x
  2. Step 2: Convert to fraction form
    344,260.31/516,191.81 = 133,652.21/x
  3. Step 3: Cross multiply
    344,260.31x = 516,191.81 × 133,652.21
  4. Step 4: Simplify right side
    344,260.31x = 68,990,176,190.40
  5. Step 5: Solve for x
    x = 68,990,176,190.40/344,260.31
  6. Step 6: Final answer
    x = 200,401.19

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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.