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Finding the Fourth Proportional to 454,676.16, 627,438.70 and 250,735.68

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Solution

The fourth proportional to 454,676.16, 627,438.70 and 250,735.68 is: 346,007.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,676.16 : 627,438.70 = 250,735.68 : x
  2. Step 2: Convert to fraction form
    454,676.16/627,438.70 = 250,735.68/x
  3. Step 3: Cross multiply
    454,676.16x = 627,438.70 × 250,735.68
  4. Step 4: Simplify right side
    454,676.16x = 157,321,269,102.82
  5. Step 5: Solve for x
    x = 157,321,269,102.82/454,676.16
  6. Step 6: Final answer
    x = 346,007.30

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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.