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Finding the Fourth Proportional to 347,077.75, 478,963.96 and 194,114.11

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Solution

The fourth proportional to 347,077.75, 478,963.96 and 194,114.11 is: 267,875.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,077.75 : 478,963.96 = 194,114.11 : x
  2. Step 2: Convert to fraction form
    347,077.75/478,963.96 = 194,114.11/x
  3. Step 3: Cross multiply
    347,077.75x = 478,963.96 × 194,114.11
  4. Step 4: Simplify right side
    347,077.75x = 92,973,662,817.48
  5. Step 5: Solve for x
    x = 92,973,662,817.48/347,077.75
  6. Step 6: Final answer
    x = 267,875.61

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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.