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Finding the Fourth Proportional to 591,611.40, 887,514.30 and 254,813.40

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Solution

The fourth proportional to 591,611.40, 887,514.30 and 254,813.40 is: 382,261.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,611.40 : 887,514.30 = 254,813.40 : x
  2. Step 2: Convert to fraction form
    591,611.40/887,514.30 = 254,813.40/x
  3. Step 3: Cross multiply
    591,611.40x = 887,514.30 × 254,813.40
  4. Step 4: Simplify right side
    591,611.40x = 226,150,536,331.62
  5. Step 5: Solve for x
    x = 226,150,536,331.62/591,611.40
  6. Step 6: Final answer
    x = 382,261.97

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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.