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Finding the Fourth Proportional to 353,957.78, 488,460.93 and 192,812.43

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Solution

The fourth proportional to 353,957.78, 488,460.93 and 192,812.43 is: 266,080.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,957.78 : 488,460.93 = 192,812.43 : x
  2. Step 2: Convert to fraction form
    353,957.78/488,460.93 = 192,812.43/x
  3. Step 3: Cross multiply
    353,957.78x = 488,460.93 × 192,812.43
  4. Step 4: Simplify right side
    353,957.78x = 94,181,338,873.36
  5. Step 5: Solve for x
    x = 94,181,338,873.36/353,957.78
  6. Step 6: Final answer
    x = 266,080.72

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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.