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Finding the Fourth Proportional to 335,523, 462,869.20 and 199,479.80

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Solution

The fourth proportional to 335,523, 462,869.20 and 199,479.80 is: 275,191.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,523 : 462,869.20 = 199,479.80 : x
  2. Step 2: Convert to fraction form
    335,523/462,869.20 = 199,479.80/x
  3. Step 3: Cross multiply
    335,523x = 462,869.20 × 199,479.80
  4. Step 4: Simplify right side
    335,523x = 92,333,055,442.16
  5. Step 5: Solve for x
    x = 92,333,055,442.16/335,523
  6. Step 6: Final answer
    x = 275,191.43

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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.