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Finding the Fourth Proportional to 369,958.78, 554,940.60 and 117,233.92

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Solution

The fourth proportional to 369,958.78, 554,940.60 and 117,233.92 is: 175,851.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,958.78 : 554,940.60 = 117,233.92 : x
  2. Step 2: Convert to fraction form
    369,958.78/554,940.60 = 117,233.92/x
  3. Step 3: Cross multiply
    369,958.78x = 554,940.60 × 117,233.92
  4. Step 4: Simplify right side
    369,958.78x = 65,057,861,905.15
  5. Step 5: Solve for x
    x = 65,057,861,905.15/369,958.78
  6. Step 6: Final answer
    x = 175,851.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.