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Finding the Fourth Proportional to 361,596.53, 499,058.44 and 230,830.67

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Solution

The fourth proportional to 361,596.53, 499,058.44 and 230,830.67 is: 318,581.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,596.53 : 499,058.44 = 230,830.67 : x
  2. Step 2: Convert to fraction form
    361,596.53/499,058.44 = 230,830.67/x
  3. Step 3: Cross multiply
    361,596.53x = 499,058.44 × 230,830.67
  4. Step 4: Simplify right side
    361,596.53x = 115,197,991,001.99
  5. Step 5: Solve for x
    x = 115,197,991,001.99/361,596.53
  6. Step 6: Final answer
    x = 318,581.58

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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.