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Finding the Fourth Proportional to 354,233.70, 488,834.73 and 193,082.58

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Solution

The fourth proportional to 354,233.70, 488,834.73 and 193,082.58 is: 266,449.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,233.70 : 488,834.73 = 193,082.58 : x
  2. Step 2: Convert to fraction form
    354,233.70/488,834.73 = 193,082.58/x
  3. Step 3: Cross multiply
    354,233.70x = 488,834.73 × 193,082.58
  4. Step 4: Simplify right side
    354,233.70x = 94,385,470,862.00
  5. Step 5: Solve for x
    x = 94,385,470,862.00/354,233.70
  6. Step 6: Final answer
    x = 266,449.72

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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.