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Finding the Fourth Proportional to 454,963.88, 627,848.58 and 253,759.72

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Solution

The fourth proportional to 454,963.88, 627,848.58 and 253,759.72 is: 350,187.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,963.88 : 627,848.58 = 253,759.72 : x
  2. Step 2: Convert to fraction form
    454,963.88/627,848.58 = 253,759.72/x
  3. Step 3: Cross multiply
    454,963.88x = 627,848.58 × 253,759.72
  4. Step 4: Simplify right side
    454,963.88x = 159,322,679,863.20
  5. Step 5: Solve for x
    x = 159,322,679,863.20/454,963.88
  6. Step 6: Final answer
    x = 350,187.54

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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.