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Finding the Fourth Proportional to 799,606.30, 1,199,617 and 238,640.80

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Solution

The fourth proportional to 799,606.30, 1,199,617 and 238,640.80 is: 358,023.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,606.30 : 1,199,617 = 238,640.80 : x
  2. Step 2: Convert to fraction form
    799,606.30/1,199,617 = 238,640.80/x
  3. Step 3: Cross multiply
    799,606.30x = 1,199,617 × 238,640.80
  4. Step 4: Simplify right side
    799,606.30x = 286,277,560,573.60
  5. Step 5: Solve for x
    x = 286,277,560,573.60/799,606.30
  6. Step 6: Final answer
    x = 358,023.14

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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.