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Finding the Fourth Proportional to 267,106.10, 400,659.15 and 177,730.70

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Solution

The fourth proportional to 267,106.10, 400,659.15 and 177,730.70 is: 266,596.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,106.10 : 400,659.15 = 177,730.70 : x
  2. Step 2: Convert to fraction form
    267,106.10/400,659.15 = 177,730.70/x
  3. Step 3: Cross multiply
    267,106.10x = 400,659.15 × 177,730.70
  4. Step 4: Simplify right side
    267,106.10x = 71,209,431,190.91
  5. Step 5: Solve for x
    x = 71,209,431,190.91/267,106.10
  6. Step 6: Final answer
    x = 266,596.05

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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.