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Finding the Fourth Proportional to 454,376.70, 627,014.28 and 250,426.98

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Solution

The fourth proportional to 454,376.70, 627,014.28 and 250,426.98 is: 345,575.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,376.70 : 627,014.28 = 250,426.98 : x
  2. Step 2: Convert to fraction form
    454,376.70/627,014.28 = 250,426.98/x
  3. Step 3: Cross multiply
    454,376.70x = 627,014.28 × 250,426.98
  4. Step 4: Simplify right side
    454,376.70x = 157,021,292,557.27
  5. Step 5: Solve for x
    x = 157,021,292,557.27/454,376.70
  6. Step 6: Final answer
    x = 345,575.14

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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.