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Finding the Fourth Proportional to 454,144.74, 626,769 and 250,216.58

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Solution

The fourth proportional to 454,144.74, 626,769 and 250,216.58 is: 345,326.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,144.74 : 626,769 = 250,216.58 : x
  2. Step 2: Convert to fraction form
    454,144.74/626,769 = 250,216.58/x
  3. Step 3: Cross multiply
    454,144.74x = 626,769 × 250,216.58
  4. Step 4: Simplify right side
    454,144.74x = 156,827,992,496.18
  5. Step 5: Solve for x
    x = 156,827,992,496.18/454,144.74
  6. Step 6: Final answer
    x = 345,326.01

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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.