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Finding the Fourth Proportional to 454,348.68, 626,973.01 and 250,388.21

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Solution

The fourth proportional to 454,348.68, 626,973.01 and 250,388.21 is: 345,520.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,348.68 : 626,973.01 = 250,388.21 : x
  2. Step 2: Convert to fraction form
    454,348.68/626,973.01 = 250,388.21/x
  3. Step 3: Cross multiply
    454,348.68x = 626,973.01 × 250,388.21
  4. Step 4: Simplify right side
    454,348.68x = 156,986,649,692.21
  5. Step 5: Solve for x
    x = 156,986,649,692.21/454,348.68
  6. Step 6: Final answer
    x = 345,520.21

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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.