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Finding the Fourth Proportional to 658,091.75, 987,137.76 and 237,367.58

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Solution

The fourth proportional to 658,091.75, 987,137.76 and 237,367.58 is: 356,051.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,091.75 : 987,137.76 = 237,367.58 : x
  2. Step 2: Convert to fraction form
    658,091.75/987,137.76 = 237,367.58/x
  3. Step 3: Cross multiply
    658,091.75x = 987,137.76 × 237,367.58
  4. Step 4: Simplify right side
    658,091.75x = 234,314,501,217.82
  5. Step 5: Solve for x
    x = 234,314,501,217.82/658,091.75
  6. Step 6: Final answer
    x = 356,051.42

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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.