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Finding the Fourth Proportional to 588,003.80, 879,932.10 and 409,674.20

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Solution

The fourth proportional to 588,003.80, 879,932.10 and 409,674.20 is: 613,066.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,003.80 : 879,932.10 = 409,674.20 : x
  2. Step 2: Convert to fraction form
    588,003.80/879,932.10 = 409,674.20/x
  3. Step 3: Cross multiply
    588,003.80x = 879,932.10 × 409,674.20
  4. Step 4: Simplify right side
    588,003.80x = 360,485,479,121.82
  5. Step 5: Solve for x
    x = 360,485,479,121.82/588,003.80
  6. Step 6: Final answer
    x = 613,066.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.