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Finding the Fourth Proportional to 454,958.10, 627,848.10 and 251,017.38

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Solution

The fourth proportional to 454,958.10, 627,848.10 and 251,017.38 is: 346,407.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,958.10 : 627,848.10 = 251,017.38 : x
  2. Step 2: Convert to fraction form
    454,958.10/627,848.10 = 251,017.38/x
  3. Step 3: Cross multiply
    454,958.10x = 627,848.10 × 251,017.38
  4. Step 4: Simplify right side
    454,958.10x = 157,600,785,099.98
  5. Step 5: Solve for x
    x = 157,600,785,099.98/454,958.10
  6. Step 6: Final answer
    x = 346,407.25

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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.