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Finding the Fourth Proportional to 372,971.35, 514,293.16 and 251,902.44

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Solution

The fourth proportional to 372,971.35, 514,293.16 and 251,902.44 is: 347,350.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,971.35 : 514,293.16 = 251,902.44 : x
  2. Step 2: Convert to fraction form
    372,971.35/514,293.16 = 251,902.44/x
  3. Step 3: Cross multiply
    372,971.35x = 514,293.16 × 251,902.44
  4. Step 4: Simplify right side
    372,971.35x = 129,551,698,048.33
  5. Step 5: Solve for x
    x = 129,551,698,048.33/372,971.35
  6. Step 6: Final answer
    x = 347,350.27

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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.