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Finding the Fourth Proportional to 468,801.30, 703,221.38 and 136,377.30

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Solution

The fourth proportional to 468,801.30, 703,221.38 and 136,377.30 is: 204,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,801.30 : 703,221.38 = 136,377.30 : x
  2. Step 2: Convert to fraction form
    468,801.30/703,221.38 = 136,377.30/x
  3. Step 3: Cross multiply
    468,801.30x = 703,221.38 × 136,377.30
  4. Step 4: Simplify right side
    468,801.30x = 95,903,433,106.67
  5. Step 5: Solve for x
    x = 95,903,433,106.67/468,801.30
  6. Step 6: Final answer
    x = 204,571.60

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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.