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Finding the Fourth Proportional to 454,817.70, 627,658.47 and 250,874.82

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Solution

The fourth proportional to 454,817.70, 627,658.47 and 250,874.82 is: 346,212.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,817.70 : 627,658.47 = 250,874.82 : x
  2. Step 2: Convert to fraction form
    454,817.70/627,658.47 = 250,874.82/x
  3. Step 3: Cross multiply
    454,817.70x = 627,658.47 × 250,874.82
  4. Step 4: Simplify right side
    454,817.70x = 157,463,705,682.73
  5. Step 5: Solve for x
    x = 157,463,705,682.73/454,817.70
  6. Step 6: Final answer
    x = 346,212.79

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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.