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Finding the Fourth Proportional to 342,392.60, 513,550.02 and 132,012.92

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Solution

The fourth proportional to 342,392.60, 513,550.02 and 132,012.92 is: 198,004.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,392.60 : 513,550.02 = 132,012.92 : x
  2. Step 2: Convert to fraction form
    342,392.60/513,550.02 = 132,012.92/x
  3. Step 3: Cross multiply
    342,392.60x = 513,550.02 × 132,012.92
  4. Step 4: Simplify right side
    342,392.60x = 67,795,237,706.26
  5. Step 5: Solve for x
    x = 67,795,237,706.26/342,392.60
  6. Step 6: Final answer
    x = 198,004.39

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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.