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Finding the Fourth Proportional to 427,679.23, 590,344.86 and 246,463.38

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Solution

The fourth proportional to 427,679.23, 590,344.86 and 246,463.38 is: 340,204.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,679.23 : 590,344.86 = 246,463.38 : x
  2. Step 2: Convert to fraction form
    427,679.23/590,344.86 = 246,463.38/x
  3. Step 3: Cross multiply
    427,679.23x = 590,344.86 × 246,463.38
  4. Step 4: Simplify right side
    427,679.23x = 145,498,389,561.23
  5. Step 5: Solve for x
    x = 145,498,389,561.23/427,679.23
  6. Step 6: Final answer
    x = 340,204.48

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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.