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Finding the Fourth Proportional to 338,882.60, 468,144.59 and 270,810.39

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Solution

The fourth proportional to 338,882.60, 468,144.59 and 270,810.39 is: 374,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,882.60 : 468,144.59 = 270,810.39 : x
  2. Step 2: Convert to fraction form
    338,882.60/468,144.59 = 270,810.39/x
  3. Step 3: Cross multiply
    338,882.60x = 468,144.59 × 270,810.39
  4. Step 4: Simplify right side
    338,882.60x = 126,778,417,640.24
  5. Step 5: Solve for x
    x = 126,778,417,640.24/338,882.60
  6. Step 6: Final answer
    x = 374,107.20

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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.