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Finding the Fourth Proportional to 454,673.41, 627,434.90 and 250,732.93

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Solution

The fourth proportional to 454,673.41, 627,434.90 and 250,732.93 is: 346,003.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,673.41 : 627,434.90 = 250,732.93 : x
  2. Step 2: Convert to fraction form
    454,673.41/627,434.90 = 250,732.93/x
  3. Step 3: Cross multiply
    454,673.41x = 627,434.90 × 250,732.93
  4. Step 4: Simplify right side
    454,673.41x = 157,318,589,919.50
  5. Step 5: Solve for x
    x = 157,318,589,919.50/454,673.41
  6. Step 6: Final answer
    x = 346,003.50

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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.