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Finding the Fourth Proportional to 298,456.96, 411,747.20 and 177,574.08

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Solution

The fourth proportional to 298,456.96, 411,747.20 and 177,574.08 is: 244,978.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,456.96 : 411,747.20 = 177,574.08 : x
  2. Step 2: Convert to fraction form
    298,456.96/411,747.20 = 177,574.08/x
  3. Step 3: Cross multiply
    298,456.96x = 411,747.20 × 177,574.08
  4. Step 4: Simplify right side
    298,456.96x = 73,115,630,232.58
  5. Step 5: Solve for x
    x = 73,115,630,232.58/298,456.96
  6. Step 6: Final answer
    x = 244,978.81

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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.