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Finding the Fourth Proportional to 326,058.32, 488,986.44 and 157,473.84

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Solution

The fourth proportional to 326,058.32, 488,986.44 and 157,473.84 is: 236,161.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,058.32 : 488,986.44 = 157,473.84 : x
  2. Step 2: Convert to fraction form
    326,058.32/488,986.44 = 157,473.84/x
  3. Step 3: Cross multiply
    326,058.32x = 488,986.44 × 157,473.84
  4. Step 4: Simplify right side
    326,058.32x = 77,002,572,414.73
  5. Step 5: Solve for x
    x = 77,002,572,414.73/326,058.32
  6. Step 6: Final answer
    x = 236,161.96

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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.