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Finding the Fourth Proportional to 373,027.82, 514,762.28 and 211,882.38

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Solution

The fourth proportional to 373,027.82, 514,762.28 and 211,882.38 is: 292,388.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,027.82 : 514,762.28 = 211,882.38 : x
  2. Step 2: Convert to fraction form
    373,027.82/514,762.28 = 211,882.38/x
  3. Step 3: Cross multiply
    373,027.82x = 514,762.28 × 211,882.38
  4. Step 4: Simplify right side
    373,027.82x = 109,069,057,020.63
  5. Step 5: Solve for x
    x = 109,069,057,020.63/373,027.82
  6. Step 6: Final answer
    x = 292,388.53

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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.