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Finding the Fourth Proportional to 372,652.96, 514,243.92 and 202,886.56

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Solution

The fourth proportional to 372,652.96, 514,243.92 and 202,886.56 is: 279,974.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,652.96 : 514,243.92 = 202,886.56 : x
  2. Step 2: Convert to fraction form
    372,652.96/514,243.92 = 202,886.56/x
  3. Step 3: Cross multiply
    372,652.96x = 514,243.92 × 202,886.56
  4. Step 4: Simplify right side
    372,652.96x = 104,333,179,929.72
  5. Step 5: Solve for x
    x = 104,333,179,929.72/372,652.96
  6. Step 6: Final answer
    x = 279,974.11

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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.