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Finding the Fourth Proportional to 267,451.56, 398,820.15 and 265,053.16

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Solution

The fourth proportional to 267,451.56, 398,820.15 and 265,053.16 is: 395,243.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,451.56 : 398,820.15 = 265,053.16 : x
  2. Step 2: Convert to fraction form
    267,451.56/398,820.15 = 265,053.16/x
  3. Step 3: Cross multiply
    267,451.56x = 398,820.15 × 265,053.16
  4. Step 4: Simplify right side
    267,451.56x = 105,708,541,029.17
  5. Step 5: Solve for x
    x = 105,708,541,029.17/267,451.56
  6. Step 6: Final answer
    x = 395,243.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.