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Finding the Fourth Proportional to 246,400.40, 369,600.60 and 221,468.60

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Solution

The fourth proportional to 246,400.40, 369,600.60 and 221,468.60 is: 332,202.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,400.40 : 369,600.60 = 221,468.60 : x
  2. Step 2: Convert to fraction form
    246,400.40/369,600.60 = 221,468.60/x
  3. Step 3: Cross multiply
    246,400.40x = 369,600.60 × 221,468.60
  4. Step 4: Simplify right side
    246,400.40x = 81,854,927,441.16
  5. Step 5: Solve for x
    x = 81,854,927,441.16/246,400.40
  6. Step 6: Final answer
    x = 332,202.90

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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.