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Finding the Fourth Proportional to 342,336.62, 472,425.46 and 191,433.62

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Solution

The fourth proportional to 342,336.62, 472,425.46 and 191,433.62 is: 264,178.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,336.62 : 472,425.46 = 191,433.62 : x
  2. Step 2: Convert to fraction form
    342,336.62/472,425.46 = 191,433.62/x
  3. Step 3: Cross multiply
    342,336.62x = 472,425.46 × 191,433.62
  4. Step 4: Simplify right side
    342,336.62x = 90,438,115,987.97
  5. Step 5: Solve for x
    x = 90,438,115,987.97/342,336.62
  6. Step 6: Final answer
    x = 264,178.91

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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.