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Finding the Fourth Proportional to 347,167.32, 479,068.24 and 194,179

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Solution

The fourth proportional to 347,167.32, 479,068.24 and 194,179 is: 267,954.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,167.32 : 479,068.24 = 194,179 : x
  2. Step 2: Convert to fraction form
    347,167.32/479,068.24 = 194,179/x
  3. Step 3: Cross multiply
    347,167.32x = 479,068.24 × 194,179
  4. Step 4: Simplify right side
    347,167.32x = 93,024,991,774.96
  5. Step 5: Solve for x
    x = 93,024,991,774.96/347,167.32
  6. Step 6: Final answer
    x = 267,954.34

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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.