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Finding the Fourth Proportional to 373,189.57, 514,982.16 and 212,022.25

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Solution

The fourth proportional to 373,189.57, 514,982.16 and 212,022.25 is: 292,579.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,189.57 : 514,982.16 = 212,022.25 : x
  2. Step 2: Convert to fraction form
    373,189.57/514,982.16 = 212,022.25/x
  3. Step 3: Cross multiply
    373,189.57x = 514,982.16 × 212,022.25
  4. Step 4: Simplify right side
    373,189.57x = 109,187,676,273.06
  5. Step 5: Solve for x
    x = 109,187,676,273.06/373,189.57
  6. Step 6: Final answer
    x = 292,579.66

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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.