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Finding the Fourth Proportional to 448,456.92, 672,374.34 and 238,242.48

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Solution

The fourth proportional to 448,456.92, 672,374.34 and 238,242.48 is: 357,198.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,456.92 : 672,374.34 = 238,242.48 : x
  2. Step 2: Convert to fraction form
    448,456.92/672,374.34 = 238,242.48/x
  3. Step 3: Cross multiply
    448,456.92x = 672,374.34 × 238,242.48
  4. Step 4: Simplify right side
    448,456.92x = 160,188,130,249.96
  5. Step 5: Solve for x
    x = 160,188,130,249.96/448,456.92
  6. Step 6: Final answer
    x = 357,198.48

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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.