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Finding the Fourth Proportional to 342,471.72, 472,609.17 and 197,224.41

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Solution

The fourth proportional to 342,471.72, 472,609.17 and 197,224.41 is: 272,168.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,471.72 : 472,609.17 = 197,224.41 : x
  2. Step 2: Convert to fraction form
    342,471.72/472,609.17 = 197,224.41/x
  3. Step 3: Cross multiply
    342,471.72x = 472,609.17 × 197,224.41
  4. Step 4: Simplify right side
    342,471.72x = 93,210,064,713.84
  5. Step 5: Solve for x
    x = 93,210,064,713.84/342,471.72
  6. Step 6: Final answer
    x = 272,168.65

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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.