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Finding the Fourth Proportional to 308,799.33, 462,877.85 and 119,389.79

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Solution

The fourth proportional to 308,799.33, 462,877.85 and 119,389.79 is: 178,960.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,799.33 : 462,877.85 = 119,389.79 : x
  2. Step 2: Convert to fraction form
    308,799.33/462,877.85 = 119,389.79/x
  3. Step 3: Cross multiply
    308,799.33x = 462,877.85 × 119,389.79
  4. Step 4: Simplify right side
    308,799.33x = 55,262,890,762.82
  5. Step 5: Solve for x
    x = 55,262,890,762.82/308,799.33
  6. Step 6: Final answer
    x = 178,960.53

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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.