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Finding the Fourth Proportional to 454,426.96, 627,113.61 and 250,485.88

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Solution

The fourth proportional to 454,426.96, 627,113.61 and 250,485.88 is: 345,672.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,426.96 : 627,113.61 = 250,485.88 : x
  2. Step 2: Convert to fraction form
    454,426.96/627,113.61 = 250,485.88/x
  3. Step 3: Cross multiply
    454,426.96x = 627,113.61 × 250,485.88
  4. Step 4: Simplify right side
    454,426.96x = 157,083,104,460.83
  5. Step 5: Solve for x
    x = 157,083,104,460.83/454,426.96
  6. Step 6: Final answer
    x = 345,672.94

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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.