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Finding the Fourth Proportional to 454,275.78, 626,928.33 and 250,326.78

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Solution

The fourth proportional to 454,275.78, 626,928.33 and 250,326.78 is: 345,466.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,275.78 : 626,928.33 = 250,326.78 : x
  2. Step 2: Convert to fraction form
    454,275.78/626,928.33 = 250,326.78/x
  3. Step 3: Cross multiply
    454,275.78x = 626,928.33 × 250,326.78
  4. Step 4: Simplify right side
    454,275.78x = 156,936,950,139.68
  5. Step 5: Solve for x
    x = 156,936,950,139.68/454,275.78
  6. Step 6: Final answer
    x = 345,466.25

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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.