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Finding the Fourth Proportional to 454,415.76, 627,096.24 and 263,542.32

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Solution

The fourth proportional to 454,415.76, 627,096.24 and 263,542.32 is: 363,689.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,415.76 : 627,096.24 = 263,542.32 : x
  2. Step 2: Convert to fraction form
    454,415.76/627,096.24 = 263,542.32/x
  3. Step 3: Cross multiply
    454,415.76x = 627,096.24 × 263,542.32
  4. Step 4: Simplify right side
    454,415.76x = 165,266,397,952.88
  5. Step 5: Solve for x
    x = 165,266,397,952.88/454,415.76
  6. Step 6: Final answer
    x = 363,689.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.