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Finding the Fourth Proportional to 373,870.57, 515,938.76 and 204,104.70

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Solution

The fourth proportional to 373,870.57, 515,938.76 and 204,104.70 is: 281,663.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,870.57 : 515,938.76 = 204,104.70 : x
  2. Step 2: Convert to fraction form
    373,870.57/515,938.76 = 204,104.70/x
  3. Step 3: Cross multiply
    373,870.57x = 515,938.76 × 204,104.70
  4. Step 4: Simplify right side
    373,870.57x = 105,305,525,828.17
  5. Step 5: Solve for x
    x = 105,305,525,828.17/373,870.57
  6. Step 6: Final answer
    x = 281,663.05

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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.