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Finding the Fourth Proportional to 246,644.20, 369,966.30 and 220,400.20

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Solution

The fourth proportional to 246,644.20, 369,966.30 and 220,400.20 is: 330,600.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,644.20 : 369,966.30 = 220,400.20 : x
  2. Step 2: Convert to fraction form
    246,644.20/369,966.30 = 220,400.20/x
  3. Step 3: Cross multiply
    246,644.20x = 369,966.30 × 220,400.20
  4. Step 4: Simplify right side
    246,644.20x = 81,540,646,513.26
  5. Step 5: Solve for x
    x = 81,540,646,513.26/246,644.20
  6. Step 6: Final answer
    x = 330,600.30

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1.5x scale

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.