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Finding the Fourth Proportional to 342,328.32, 513,383.20 and 117,634.56

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Solution

The fourth proportional to 342,328.32, 513,383.20 and 117,634.56 is: 176,414.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,328.32 : 513,383.20 = 117,634.56 : x
  2. Step 2: Convert to fraction form
    342,328.32/513,383.20 = 117,634.56/x
  3. Step 3: Cross multiply
    342,328.32x = 513,383.20 × 117,634.56
  4. Step 4: Simplify right side
    342,328.32x = 60,391,606,843.39
  5. Step 5: Solve for x
    x = 60,391,606,843.39/342,328.32
  6. Step 6: Final answer
    x = 176,414.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.