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Finding the Fourth Proportional to 467,318.73, 700,983.72 and 130,338.86

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Solution

The fourth proportional to 467,318.73, 700,983.72 and 130,338.86 is: 195,509.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,318.73 : 700,983.72 = 130,338.86 : x
  2. Step 2: Convert to fraction form
    467,318.73/700,983.72 = 130,338.86/x
  3. Step 3: Cross multiply
    467,318.73x = 700,983.72 × 130,338.86
  4. Step 4: Simplify right side
    467,318.73x = 91,365,420,207.05
  5. Step 5: Solve for x
    x = 91,365,420,207.05/467,318.73
  6. Step 6: Final answer
    x = 195,509.86

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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.