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Finding the Fourth Proportional to 410,190.80, 615,286.20 and 173,454.80

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Solution

The fourth proportional to 410,190.80, 615,286.20 and 173,454.80 is: 260,182.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,190.80 : 615,286.20 = 173,454.80 : x
  2. Step 2: Convert to fraction form
    410,190.80/615,286.20 = 173,454.80/x
  3. Step 3: Cross multiply
    410,190.80x = 615,286.20 × 173,454.80
  4. Step 4: Simplify right side
    410,190.80x = 106,724,344,763.76
  5. Step 5: Solve for x
    x = 106,724,344,763.76/410,190.80
  6. Step 6: Final answer
    x = 260,182.20

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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.