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Finding the Fourth Proportional to 410,867.40, 615,134.70 and 410,867.40

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Solution

The fourth proportional to 410,867.40, 615,134.70 and 410,867.40 is: 615,134.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,867.40 : 615,134.70 = 410,867.40 : x
  2. Step 2: Convert to fraction form
    410,867.40/615,134.70 = 410,867.40/x
  3. Step 3: Cross multiply
    410,867.40x = 615,134.70 × 410,867.40
  4. Step 4: Simplify right side
    410,867.40x = 252,738,794,838.78
  5. Step 5: Solve for x
    x = 252,738,794,838.78/410,867.40
  6. Step 6: Final answer
    x = 615,134.70

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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.