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Finding the Fourth Proportional to 342,213.63, 472,272.51 and 197,040.96

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Solution

The fourth proportional to 342,213.63, 472,272.51 and 197,040.96 is: 271,926.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,213.63 : 472,272.51 = 197,040.96 : x
  2. Step 2: Convert to fraction form
    342,213.63/472,272.51 = 197,040.96/x
  3. Step 3: Cross multiply
    342,213.63x = 472,272.51 × 197,040.96
  4. Step 4: Simplify right side
    342,213.63x = 93,057,028,752.01
  5. Step 5: Solve for x
    x = 93,057,028,752.01/342,213.63
  6. Step 6: Final answer
    x = 271,926.72

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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.