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Finding the Fourth Proportional to 342,152.56, 472,167.70 and 189,197.44

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Solution

The fourth proportional to 342,152.56, 472,167.70 and 189,197.44 is: 261,090.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,152.56 : 472,167.70 = 189,197.44 : x
  2. Step 2: Convert to fraction form
    342,152.56/472,167.70 = 189,197.44/x
  3. Step 3: Cross multiply
    342,152.56x = 472,167.70 × 189,197.44
  4. Step 4: Simplify right side
    342,152.56x = 89,332,920,090.69
  5. Step 5: Solve for x
    x = 89,332,920,090.69/342,152.56
  6. Step 6: Final answer
    x = 261,090.90

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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.