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Finding the Fourth Proportional to 541,521.36, 811,536.84 and 461,143.44

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Solution

The fourth proportional to 541,521.36, 811,536.84 and 461,143.44 is: 691,080.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,521.36 : 811,536.84 = 461,143.44 : x
  2. Step 2: Convert to fraction form
    541,521.36/811,536.84 = 461,143.44/x
  3. Step 3: Cross multiply
    541,521.36x = 811,536.84 × 461,143.44
  4. Step 4: Simplify right side
    541,521.36x = 374,234,890,084.33
  5. Step 5: Solve for x
    x = 374,234,890,084.33/541,521.36
  6. Step 6: Final answer
    x = 691,080.57

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1.5x scale

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.