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Finding the Fourth Proportional to 372,892.56, 514,592.66 and 203,127.92

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Solution

The fourth proportional to 372,892.56, 514,592.66 and 203,127.92 is: 280,317.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,892.56 : 514,592.66 = 203,127.92 : x
  2. Step 2: Convert to fraction form
    372,892.56/514,592.66 = 203,127.92/x
  3. Step 3: Cross multiply
    372,892.56x = 514,592.66 × 203,127.92
  4. Step 4: Simplify right side
    372,892.56x = 104,528,136,673.07
  5. Step 5: Solve for x
    x = 104,528,136,673.07/372,892.56
  6. Step 6: Final answer
    x = 280,317.03

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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.