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Finding the Fourth Proportional to 454,301.66, 626,940.44 and 250,359.91

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Solution

The fourth proportional to 454,301.66, 626,940.44 and 250,359.91 is: 345,498.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,301.66 : 626,940.44 = 250,359.91 : x
  2. Step 2: Convert to fraction form
    454,301.66/626,940.44 = 250,359.91/x
  3. Step 3: Cross multiply
    454,301.66x = 626,940.44 × 250,359.91
  4. Step 4: Simplify right side
    454,301.66x = 156,960,752,133.76
  5. Step 5: Solve for x
    x = 156,960,752,133.76/454,301.66
  6. Step 6: Final answer
    x = 345,498.96

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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.