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Finding the Fourth Proportional to 278,762.33, 384,753.24 and 183,277.91

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Solution

The fourth proportional to 278,762.33, 384,753.24 and 183,277.91 is: 252,963.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,762.33 : 384,753.24 = 183,277.91 : x
  2. Step 2: Convert to fraction form
    278,762.33/384,753.24 = 183,277.91/x
  3. Step 3: Cross multiply
    278,762.33x = 384,753.24 × 183,277.91
  4. Step 4: Simplify right side
    278,762.33x = 70,516,770,654.81
  5. Step 5: Solve for x
    x = 70,516,770,654.81/278,762.33
  6. Step 6: Final answer
    x = 252,963.77

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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.