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Finding the Fourth Proportional to 372,605.42, 514,195.56 and 202,839.50

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Solution

The fourth proportional to 372,605.42, 514,195.56 and 202,839.50 is: 279,918.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,605.42 : 514,195.56 = 202,839.50 : x
  2. Step 2: Convert to fraction form
    372,605.42/514,195.56 = 202,839.50/x
  3. Step 3: Cross multiply
    372,605.42x = 514,195.56 × 202,839.50
  4. Step 4: Simplify right side
    372,605.42x = 104,299,170,292.62
  5. Step 5: Solve for x
    x = 104,299,170,292.62/372,605.42
  6. Step 6: Final answer
    x = 279,918.55

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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.