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Finding the Fourth Proportional to 352,440.92, 486,368.98 and 191,296.02

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Solution

The fourth proportional to 352,440.92, 486,368.98 and 191,296.02 is: 263,988.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,440.92 : 486,368.98 = 191,296.02 : x
  2. Step 2: Convert to fraction form
    352,440.92/486,368.98 = 191,296.02/x
  3. Step 3: Cross multiply
    352,440.92x = 486,368.98 × 191,296.02
  4. Step 4: Simplify right side
    352,440.92x = 93,040,450,125.46
  5. Step 5: Solve for x
    x = 93,040,450,125.46/352,440.92
  6. Step 6: Final answer
    x = 263,988.78

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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.