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Finding the Fourth Proportional to 375,010.60, 517,515.99 and 202,928.55

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Solution

The fourth proportional to 375,010.60, 517,515.99 and 202,928.55 is: 280,042.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,010.60 : 517,515.99 = 202,928.55 : x
  2. Step 2: Convert to fraction form
    375,010.60/517,515.99 = 202,928.55/x
  3. Step 3: Cross multiply
    375,010.60x = 517,515.99 × 202,928.55
  4. Step 4: Simplify right side
    375,010.60x = 105,018,769,452.52
  5. Step 5: Solve for x
    x = 105,018,769,452.52/375,010.60
  6. Step 6: Final answer
    x = 280,042.14

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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.