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Finding the Fourth Proportional to 442,764.20, 611,021.40 and 241,560.20

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Solution

The fourth proportional to 442,764.20, 611,021.40 and 241,560.20 is: 333,356.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,764.20 : 611,021.40 = 241,560.20 : x
  2. Step 2: Convert to fraction form
    442,764.20/611,021.40 = 241,560.20/x
  3. Step 3: Cross multiply
    442,764.20x = 611,021.40 × 241,560.20
  4. Step 4: Simplify right side
    442,764.20x = 147,598,451,588.28
  5. Step 5: Solve for x
    x = 147,598,451,588.28/442,764.20
  6. Step 6: Final answer
    x = 333,356.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.