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Finding the Fourth Proportional to 339,422.40, 468,424.08 and 188,519.04

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Solution

The fourth proportional to 339,422.40, 468,424.08 and 188,519.04 is: 260,168.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,422.40 : 468,424.08 = 188,519.04 : x
  2. Step 2: Convert to fraction form
    339,422.40/468,424.08 = 188,519.04/x
  3. Step 3: Cross multiply
    339,422.40x = 468,424.08 × 188,519.04
  4. Step 4: Simplify right side
    339,422.40x = 88,306,857,874.48
  5. Step 5: Solve for x
    x = 88,306,857,874.48/339,422.40
  6. Step 6: Final answer
    x = 260,168.03

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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.