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Finding the Fourth Proportional to 466,221.53, 699,986.58 and 238,679.67

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Solution

The fourth proportional to 466,221.53, 699,986.58 and 238,679.67 is: 358,354.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,221.53 : 699,986.58 = 238,679.67 : x
  2. Step 2: Convert to fraction form
    466,221.53/699,986.58 = 238,679.67/x
  3. Step 3: Cross multiply
    466,221.53x = 699,986.58 × 238,679.67
  4. Step 4: Simplify right side
    466,221.53x = 167,072,567,648.73
  5. Step 5: Solve for x
    x = 167,072,567,648.73/466,221.53
  6. Step 6: Final answer
    x = 358,354.46

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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.