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Finding the Fourth Proportional to 454,338.28, 626,991.08 and 250,396.52

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Solution

The fourth proportional to 454,338.28, 626,991.08 and 250,396.52 is: 345,549.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,338.28 : 626,991.08 = 250,396.52 : x
  2. Step 2: Convert to fraction form
    454,338.28/626,991.08 = 250,396.52/x
  3. Step 3: Cross multiply
    454,338.28x = 626,991.08 × 250,396.52
  4. Step 4: Simplify right side
    454,338.28x = 156,996,384,503.04
  5. Step 5: Solve for x
    x = 156,996,384,503.04/454,338.28
  6. Step 6: Final answer
    x = 345,549.54

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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.