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Finding the Fourth Proportional to 347,647.44, 521,498.12 and 104,469.53

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Solution

The fourth proportional to 347,647.44, 521,498.12 and 104,469.53 is: 156,712.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,647.44 : 521,498.12 = 104,469.53 : x
  2. Step 2: Convert to fraction form
    347,647.44/521,498.12 = 104,469.53/x
  3. Step 3: Cross multiply
    347,647.44x = 521,498.12 × 104,469.53
  4. Step 4: Simplify right side
    347,647.44x = 54,480,660,362.45
  5. Step 5: Solve for x
    x = 54,480,660,362.45/347,647.44
  6. Step 6: Final answer
    x = 156,712.39

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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.