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Finding the Fourth Proportional to 352,391.04, 486,103.68 and 231,552

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Solution

The fourth proportional to 352,391.04, 486,103.68 and 231,552 is: 319,413.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,391.04 : 486,103.68 = 231,552 : x
  2. Step 2: Convert to fraction form
    352,391.04/486,103.68 = 231,552/x
  3. Step 3: Cross multiply
    352,391.04x = 486,103.68 × 231,552
  4. Step 4: Simplify right side
    352,391.04x = 112,558,279,311.36
  5. Step 5: Solve for x
    x = 112,558,279,311.36/352,391.04
  6. Step 6: Final answer
    x = 319,413.00

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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.