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Finding the Fourth Proportional to 431,023.54, 594,769.90 and 240,054.70

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Solution

The fourth proportional to 431,023.54, 594,769.90 and 240,054.70 is: 331,251.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,023.54 : 594,769.90 = 240,054.70 : x
  2. Step 2: Convert to fraction form
    431,023.54/594,769.90 = 240,054.70/x
  3. Step 3: Cross multiply
    431,023.54x = 594,769.90 × 240,054.70
  4. Step 4: Simplify right side
    431,023.54x = 142,777,306,939.68
  5. Step 5: Solve for x
    x = 142,777,306,939.68/431,023.54
  6. Step 6: Final answer
    x = 331,251.77

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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.