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Finding the Fourth Proportional to 322,053.60, 483,080.40 and 144,906.60

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Solution

The fourth proportional to 322,053.60, 483,080.40 and 144,906.60 is: 217,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,053.60 : 483,080.40 = 144,906.60 : x
  2. Step 2: Convert to fraction form
    322,053.60/483,080.40 = 144,906.60/x
  3. Step 3: Cross multiply
    322,053.60x = 483,080.40 × 144,906.60
  4. Step 4: Simplify right side
    322,053.60x = 70,001,538,290.64
  5. Step 5: Solve for x
    x = 70,001,538,290.64/322,053.60
  6. Step 6: Final answer
    x = 217,359.90

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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.