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Finding the Fourth Proportional to 454,327.49, 626,976.22 and 250,385.76

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Solution

The fourth proportional to 454,327.49, 626,976.22 and 250,385.76 is: 345,534.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,327.49 : 626,976.22 = 250,385.76 : x
  2. Step 2: Convert to fraction form
    454,327.49/626,976.22 = 250,385.76/x
  3. Step 3: Cross multiply
    454,327.49x = 626,976.22 × 250,385.76
  4. Step 4: Simplify right side
    454,327.49x = 156,985,916,130.98
  5. Step 5: Solve for x
    x = 156,985,916,130.98/454,327.49
  6. Step 6: Final answer
    x = 345,534.70

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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.