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Finding the Fourth Proportional to 410,105.70, 615,158.55 and 410,105.70

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Solution

The fourth proportional to 410,105.70, 615,158.55 and 410,105.70 is: 615,158.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,105.70 : 615,158.55 = 410,105.70 : x
  2. Step 2: Convert to fraction form
    410,105.70/615,158.55 = 410,105.70/x
  3. Step 3: Cross multiply
    410,105.70x = 615,158.55 × 410,105.70
  4. Step 4: Simplify right side
    410,105.70x = 252,280,027,758.74
  5. Step 5: Solve for x
    x = 252,280,027,758.74/410,105.70
  6. Step 6: Final answer
    x = 615,158.55

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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.