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Finding the Fourth Proportional to 371,755.52, 513,020.82 and 210,610.19

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Solution

The fourth proportional to 371,755.52, 513,020.82 and 210,610.19 is: 290,641.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,755.52 : 513,020.82 = 210,610.19 : x
  2. Step 2: Convert to fraction form
    371,755.52/513,020.82 = 210,610.19/x
  3. Step 3: Cross multiply
    371,755.52x = 513,020.82 × 210,610.19
  4. Step 4: Simplify right side
    371,755.52x = 108,047,410,505.17
  5. Step 5: Solve for x
    x = 108,047,410,505.17/371,755.52
  6. Step 6: Final answer
    x = 290,641.04

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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.