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Finding the Fourth Proportional to 347,906.31, 521,694.98 and 134,774.04

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Solution

The fourth proportional to 347,906.31, 521,694.98 and 134,774.04 is: 202,097.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,906.31 : 521,694.98 = 134,774.04 : x
  2. Step 2: Convert to fraction form
    347,906.31/521,694.98 = 134,774.04/x
  3. Step 3: Cross multiply
    347,906.31x = 521,694.98 × 134,774.04
  4. Step 4: Simplify right side
    347,906.31x = 70,310,941,890.21
  5. Step 5: Solve for x
    x = 70,310,941,890.21/347,906.31
  6. Step 6: Final answer
    x = 202,097.35

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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.