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Finding the Fourth Proportional to 374,898.75, 517,360.28 and 205,132.88

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Solution

The fourth proportional to 374,898.75, 517,360.28 and 205,132.88 is: 283,083.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,898.75 : 517,360.28 = 205,132.88 : x
  2. Step 2: Convert to fraction form
    374,898.75/517,360.28 = 205,132.88/x
  3. Step 3: Cross multiply
    374,898.75x = 517,360.28 × 205,132.88
  4. Step 4: Simplify right side
    374,898.75x = 106,127,600,621.54
  5. Step 5: Solve for x
    x = 106,127,600,621.54/374,898.75
  6. Step 6: Final answer
    x = 283,083.37

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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.