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Finding the Fourth Proportional to 347,166.54, 479,067.21 and 194,178.24

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Solution

The fourth proportional to 347,166.54, 479,067.21 and 194,178.24 is: 267,953.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,166.54 : 479,067.21 = 194,178.24 : x
  2. Step 2: Convert to fraction form
    347,166.54/479,067.21 = 194,178.24/x
  3. Step 3: Cross multiply
    347,166.54x = 479,067.21 × 194,178.24
  4. Step 4: Simplify right side
    347,166.54x = 93,024,427,679.51
  5. Step 5: Solve for x
    x = 93,024,427,679.51/347,166.54
  6. Step 6: Final answer
    x = 267,953.32

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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.