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Finding the Fourth Proportional to 322,080.40, 483,204.12 and 122,404.24

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Solution

The fourth proportional to 322,080.40, 483,204.12 and 122,404.24 is: 183,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,080.40 : 483,204.12 = 122,404.24 : x
  2. Step 2: Convert to fraction form
    322,080.40/483,204.12 = 122,404.24/x
  3. Step 3: Cross multiply
    322,080.40x = 483,204.12 × 122,404.24
  4. Step 4: Simplify right side
    322,080.40x = 59,146,233,073.47
  5. Step 5: Solve for x
    x = 59,146,233,073.47/322,080.40
  6. Step 6: Final answer
    x = 183,638.10

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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.