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Finding the Fourth Proportional to 454,301.48, 626,940.25 and 250,359.71

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Solution

The fourth proportional to 454,301.48, 626,940.25 and 250,359.71 is: 345,498.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,301.48 : 626,940.25 = 250,359.71 : x
  2. Step 2: Convert to fraction form
    454,301.48/626,940.25 = 250,359.71/x
  3. Step 3: Cross multiply
    454,301.48x = 626,940.25 × 250,359.71
  4. Step 4: Simplify right side
    454,301.48x = 156,960,575,416.73
  5. Step 5: Solve for x
    x = 156,960,575,416.73/454,301.48
  6. Step 6: Final answer
    x = 345,498.71

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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.