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Finding the Fourth Proportional to 468,709.68, 703,065.52 and 169,401.56

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Solution

The fourth proportional to 468,709.68, 703,065.52 and 169,401.56 is: 254,102.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,709.68 : 703,065.52 = 169,401.56 : x
  2. Step 2: Convert to fraction form
    468,709.68/703,065.52 = 169,401.56/x
  3. Step 3: Cross multiply
    468,709.68x = 703,065.52 × 169,401.56
  4. Step 4: Simplify right side
    468,709.68x = 119,100,395,870.21
  5. Step 5: Solve for x
    x = 119,100,395,870.21/468,709.68
  6. Step 6: Final answer
    x = 254,102.70

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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.