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Finding the Fourth Proportional to 466,277.83, 699,416.70 and 129,318.48

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Solution

The fourth proportional to 466,277.83, 699,416.70 and 129,318.48 is: 193,977.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,277.83 : 699,416.70 = 129,318.48 : x
  2. Step 2: Convert to fraction form
    466,277.83/699,416.70 = 129,318.48/x
  3. Step 3: Cross multiply
    466,277.83x = 699,416.70 × 129,318.48
  4. Step 4: Simplify right side
    466,277.83x = 90,447,504,045.67
  5. Step 5: Solve for x
    x = 90,447,504,045.67/466,277.83
  6. Step 6: Final answer
    x = 193,977.71

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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.