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Finding the Fourth Proportional to 353,758.83, 488,195.94 and 192,622.71

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Solution

The fourth proportional to 353,758.83, 488,195.94 and 192,622.71 is: 265,824.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,758.83 : 488,195.94 = 192,622.71 : x
  2. Step 2: Convert to fraction form
    353,758.83/488,195.94 = 192,622.71/x
  3. Step 3: Cross multiply
    353,758.83x = 488,195.94 × 192,622.71
  4. Step 4: Simplify right side
    353,758.83x = 94,037,624,973.80
  5. Step 5: Solve for x
    x = 94,037,624,973.80/353,758.83
  6. Step 6: Final answer
    x = 265,824.11

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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.