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Finding the Fourth Proportional to 331,058.80, 496,847.40 and 153,587.80

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Solution

The fourth proportional to 331,058.80, 496,847.40 and 153,587.80 is: 230,501.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,058.80 : 496,847.40 = 153,587.80 : x
  2. Step 2: Convert to fraction form
    331,058.80/496,847.40 = 153,587.80/x
  3. Step 3: Cross multiply
    331,058.80x = 496,847.40 × 153,587.80
  4. Step 4: Simplify right side
    331,058.80x = 76,309,699,101.72
  5. Step 5: Solve for x
    x = 76,309,699,101.72/331,058.80
  6. Step 6: Final answer
    x = 230,501.95

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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.