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Finding the Fourth Proportional to 368,577.91, 508,794.45 and 247,789.25

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Solution

The fourth proportional to 368,577.91, 508,794.45 and 247,789.25 is: 342,054.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,577.91 : 508,794.45 = 247,789.25 : x
  2. Step 2: Convert to fraction form
    368,577.91/508,794.45 = 247,789.25/x
  3. Step 3: Cross multiply
    368,577.91x = 508,794.45 × 247,789.25
  4. Step 4: Simplify right side
    368,577.91x = 126,073,795,169.66
  5. Step 5: Solve for x
    x = 126,073,795,169.66/368,577.91
  6. Step 6: Final answer
    x = 342,054.67

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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.