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Finding the Fourth Proportional to 607,704.56, 838,589.20 and 335,769.48

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Solution

The fourth proportional to 607,704.56, 838,589.20 and 335,769.48 is: 463,338.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,704.56 : 838,589.20 = 335,769.48 : x
  2. Step 2: Convert to fraction form
    607,704.56/838,589.20 = 335,769.48/x
  3. Step 3: Cross multiply
    607,704.56x = 838,589.20 × 335,769.48
  4. Step 4: Simplify right side
    607,704.56x = 281,572,659,617.62
  5. Step 5: Solve for x
    x = 281,572,659,617.62/607,704.56
  6. Step 6: Final answer
    x = 463,338.07

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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.