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Finding the Fourth Proportional to 454,607.23, 627,362.90 and 250,658.54

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Solution

The fourth proportional to 454,607.23, 627,362.90 and 250,658.54 is: 345,911.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,607.23 : 627,362.90 = 250,658.54 : x
  2. Step 2: Convert to fraction form
    454,607.23/627,362.90 = 250,658.54/x
  3. Step 3: Cross multiply
    454,607.23x = 627,362.90 × 250,658.54
  4. Step 4: Simplify right side
    454,607.23x = 157,253,867,310.87
  5. Step 5: Solve for x
    x = 157,253,867,310.87/454,607.23
  6. Step 6: Final answer
    x = 345,911.50

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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.