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Finding the Fourth Proportional to 353,666.73, 488,060.13 and 192,522.97

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Solution

The fourth proportional to 353,666.73, 488,060.13 and 192,522.97 is: 265,681.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,666.73 : 488,060.13 = 192,522.97 : x
  2. Step 2: Convert to fraction form
    353,666.73/488,060.13 = 192,522.97/x
  3. Step 3: Cross multiply
    353,666.73x = 488,060.13 × 192,522.97
  4. Step 4: Simplify right side
    353,666.73x = 93,962,785,766.19
  5. Step 5: Solve for x
    x = 93,962,785,766.19/353,666.73
  6. Step 6: Final answer
    x = 265,681.72

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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.