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Finding the Fourth Proportional to 656,418.48, 984,540.21 and 183,064.20

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Solution

The fourth proportional to 656,418.48, 984,540.21 and 183,064.20 is: 274,571.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,418.48 : 984,540.21 = 183,064.20 : x
  2. Step 2: Convert to fraction form
    656,418.48/984,540.21 = 183,064.20/x
  3. Step 3: Cross multiply
    656,418.48x = 984,540.21 × 183,064.20
  4. Step 4: Simplify right side
    656,418.48x = 180,234,065,911.48
  5. Step 5: Solve for x
    x = 180,234,065,911.48/656,418.48
  6. Step 6: Final answer
    x = 274,571.89

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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.