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Finding the Fourth Proportional to 431,021.60, 594,767.22 and 240,052.76

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Solution

The fourth proportional to 431,021.60, 594,767.22 and 240,052.76 is: 331,249.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,021.60 : 594,767.22 = 240,052.76 : x
  2. Step 2: Convert to fraction form
    431,021.60/594,767.22 = 240,052.76/x
  3. Step 3: Cross multiply
    431,021.60x = 594,767.22 × 240,052.76
  4. Step 4: Simplify right side
    431,021.60x = 142,775,509,744.69
  5. Step 5: Solve for x
    x = 142,775,509,744.69/431,021.60
  6. Step 6: Final answer
    x = 331,249.09

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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.