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Finding the Fourth Proportional to 353,946.62, 488,443.83 and 192,801.66

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Solution

The fourth proportional to 353,946.62, 488,443.83 and 192,801.66 is: 266,064.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,946.62 : 488,443.83 = 192,801.66 : x
  2. Step 2: Convert to fraction form
    353,946.62/488,443.83 = 192,801.66/x
  3. Step 3: Cross multiply
    353,946.62x = 488,443.83 × 192,801.66
  4. Step 4: Simplify right side
    353,946.62x = 94,172,782,349.42
  5. Step 5: Solve for x
    x = 94,172,782,349.42/353,946.62
  6. Step 6: Final answer
    x = 266,064.93

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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.