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Finding the Fourth Proportional to 353,234.52, 487,476.43 and 202,360.68

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Solution

The fourth proportional to 353,234.52, 487,476.43 and 202,360.68 is: 279,265.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,234.52 : 487,476.43 = 202,360.68 : x
  2. Step 2: Convert to fraction form
    353,234.52/487,476.43 = 202,360.68/x
  3. Step 3: Cross multiply
    353,234.52x = 487,476.43 × 202,360.68
  4. Step 4: Simplify right side
    353,234.52x = 98,646,061,858.77
  5. Step 5: Solve for x
    x = 98,646,061,858.77/353,234.52
  6. Step 6: Final answer
    x = 279,265.07

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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.