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Finding the Fourth Proportional to 624,115.85, 936,270.97 and 203,293.85

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Solution

The fourth proportional to 624,115.85, 936,270.97 and 203,293.85 is: 304,972.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,115.85 : 936,270.97 = 203,293.85 : x
  2. Step 2: Convert to fraction form
    624,115.85/936,270.97 = 203,293.85/x
  3. Step 3: Cross multiply
    624,115.85x = 936,270.97 × 203,293.85
  4. Step 4: Simplify right side
    624,115.85x = 190,338,124,944.95
  5. Step 5: Solve for x
    x = 190,338,124,944.95/624,115.85
  6. Step 6: Final answer
    x = 304,972.43

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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.