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Finding the Fourth Proportional to 368,575.32, 508,790.87 and 247,786.66

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Solution

The fourth proportional to 368,575.32, 508,790.87 and 247,786.66 is: 342,051.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,575.32 : 508,790.87 = 247,786.66 : x
  2. Step 2: Convert to fraction form
    368,575.32/508,790.87 = 247,786.66/x
  3. Step 3: Cross multiply
    368,575.32x = 508,790.87 × 247,786.66
  4. Step 4: Simplify right side
    368,575.32x = 126,071,589,663.28
  5. Step 5: Solve for x
    x = 126,071,589,663.28/368,575.32
  6. Step 6: Final answer
    x = 342,051.09

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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.