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Finding the Fourth Proportional to 410,601.20, 615,901.80 and 268,883.60

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Solution

The fourth proportional to 410,601.20, 615,901.80 and 268,883.60 is: 403,325.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,601.20 : 615,901.80 = 268,883.60 : x
  2. Step 2: Convert to fraction form
    410,601.20/615,901.80 = 268,883.60/x
  3. Step 3: Cross multiply
    410,601.20x = 615,901.80 × 268,883.60
  4. Step 4: Simplify right side
    410,601.20x = 165,605,893,230.48
  5. Step 5: Solve for x
    x = 165,605,893,230.48/410,601.20
  6. Step 6: Final answer
    x = 403,325.40

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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.