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Finding the Fourth Proportional to 372,872.82, 514,549.98 and 227,921.31

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Solution

The fourth proportional to 372,872.82, 514,549.98 and 227,921.31 is: 314,522.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,872.82 : 514,549.98 = 227,921.31 : x
  2. Step 2: Convert to fraction form
    372,872.82/514,549.98 = 227,921.31/x
  3. Step 3: Cross multiply
    372,872.82x = 514,549.98 × 227,921.31
  4. Step 4: Simplify right side
    372,872.82x = 117,276,905,502.07
  5. Step 5: Solve for x
    x = 117,276,905,502.07/372,872.82
  6. Step 6: Final answer
    x = 314,522.54

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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.