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Finding the Fourth Proportional to 372,773.72, 514,409.46 and 211,607.22

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Solution

The fourth proportional to 372,773.72, 514,409.46 and 211,607.22 is: 292,007.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,773.72 : 514,409.46 = 211,607.22 : x
  2. Step 2: Convert to fraction form
    372,773.72/514,409.46 = 211,607.22/x
  3. Step 3: Cross multiply
    372,773.72x = 514,409.46 × 211,607.22
  4. Step 4: Simplify right side
    372,773.72x = 108,852,755,772.30
  5. Step 5: Solve for x
    x = 108,852,755,772.30/372,773.72
  6. Step 6: Final answer
    x = 292,007.59

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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.