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Finding the Fourth Proportional to 534,391.38, 801,620.01 and 235,012.95

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Solution

The fourth proportional to 534,391.38, 801,620.01 and 235,012.95 is: 352,533.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,391.38 : 801,620.01 = 235,012.95 : x
  2. Step 2: Convert to fraction form
    534,391.38/801,620.01 = 235,012.95/x
  3. Step 3: Cross multiply
    534,391.38x = 801,620.01 × 235,012.95
  4. Step 4: Simplify right side
    534,391.38x = 188,391,083,329.13
  5. Step 5: Solve for x
    x = 188,391,083,329.13/534,391.38
  6. Step 6: Final answer
    x = 352,533.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.