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Finding the Fourth Proportional to 362,500.20, 543,750.30 and 344,129.40

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Solution

The fourth proportional to 362,500.20, 543,750.30 and 344,129.40 is: 516,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,500.20 : 543,750.30 = 344,129.40 : x
  2. Step 2: Convert to fraction form
    362,500.20/543,750.30 = 344,129.40/x
  3. Step 3: Cross multiply
    362,500.20x = 543,750.30 × 344,129.40
  4. Step 4: Simplify right side
    362,500.20x = 187,120,464,488.82
  5. Step 5: Solve for x
    x = 187,120,464,488.82/362,500.20
  6. Step 6: Final answer
    x = 516,194.10

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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.