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Finding the Fourth Proportional to 347,648.44, 521,499.62 and 104,470.53

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Solution

The fourth proportional to 347,648.44, 521,499.62 and 104,470.53 is: 156,713.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,648.44 : 521,499.62 = 104,470.53 : x
  2. Step 2: Convert to fraction form
    347,648.44/521,499.62 = 104,470.53/x
  3. Step 3: Cross multiply
    347,648.44x = 521,499.62 × 104,470.53
  4. Step 4: Simplify right side
    347,648.44x = 54,481,341,696.20
  5. Step 5: Solve for x
    x = 54,481,341,696.20/347,648.44
  6. Step 6: Final answer
    x = 156,713.90

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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.