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Finding the Fourth Proportional to 467,320.79, 700,986.81 and 130,340.93

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Solution

The fourth proportional to 467,320.79, 700,986.81 and 130,340.93 is: 195,512.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,320.79 : 700,986.81 = 130,340.93 : x
  2. Step 2: Convert to fraction form
    467,320.79/700,986.81 = 130,340.93/x
  3. Step 3: Cross multiply
    467,320.79x = 700,986.81 × 130,340.93
  4. Step 4: Simplify right side
    467,320.79x = 91,367,269,716.98
  5. Step 5: Solve for x
    x = 91,367,269,716.98/467,320.79
  6. Step 6: Final answer
    x = 195,512.96

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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.