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Finding the Fourth Proportional to 372,882.88, 514,586.32 and 203,116.64

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Solution

The fourth proportional to 372,882.88, 514,586.32 and 203,116.64 is: 280,305.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,882.88 : 514,586.32 = 203,116.64 : x
  2. Step 2: Convert to fraction form
    372,882.88/514,586.32 = 203,116.64/x
  3. Step 3: Cross multiply
    372,882.88x = 514,586.32 × 203,116.64
  4. Step 4: Simplify right side
    372,882.88x = 104,521,044,308.37
  5. Step 5: Solve for x
    x = 104,521,044,308.37/372,882.88
  6. Step 6: Final answer
    x = 280,305.29

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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.