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Finding the Fourth Proportional to 372,443.66, 514,027.58 and 219,432.94

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Solution

The fourth proportional to 372,443.66, 514,027.58 and 219,432.94 is: 302,850.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,443.66 : 514,027.58 = 219,432.94 : x
  2. Step 2: Convert to fraction form
    372,443.66/514,027.58 = 219,432.94/x
  3. Step 3: Cross multiply
    372,443.66x = 514,027.58 × 219,432.94
  4. Step 4: Simplify right side
    372,443.66x = 112,794,583,120.49
  5. Step 5: Solve for x
    x = 112,794,583,120.49/372,443.66
  6. Step 6: Final answer
    x = 302,850.06

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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.