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Finding the Fourth Proportional to 342,167.46, 472,181.85 and 191,293.62

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Solution

The fourth proportional to 342,167.46, 472,181.85 and 191,293.62 is: 263,980.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,167.46 : 472,181.85 = 191,293.62 : x
  2. Step 2: Convert to fraction form
    342,167.46/472,181.85 = 191,293.62/x
  3. Step 3: Cross multiply
    342,167.46x = 472,181.85 × 191,293.62
  4. Step 4: Simplify right side
    342,167.46x = 90,325,375,384.80
  5. Step 5: Solve for x
    x = 90,325,375,384.80/342,167.46
  6. Step 6: Final answer
    x = 263,980.03

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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.