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Finding the Fourth Proportional to 342,067.80, 513,101.70 and 230,093.40

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Solution

The fourth proportional to 342,067.80, 513,101.70 and 230,093.40 is: 345,140.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,067.80 : 513,101.70 = 230,093.40 : x
  2. Step 2: Convert to fraction form
    342,067.80/513,101.70 = 230,093.40/x
  3. Step 3: Cross multiply
    342,067.80x = 513,101.70 × 230,093.40
  4. Step 4: Simplify right side
    342,067.80x = 118,061,314,698.78
  5. Step 5: Solve for x
    x = 118,061,314,698.78/342,067.80
  6. Step 6: Final answer
    x = 345,140.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.