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Finding the Fourth Proportional to 624,121.87, 936,224.74 and 219,264.85

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Solution

The fourth proportional to 624,121.87, 936,224.74 and 219,264.85 is: 328,912.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,121.87 : 936,224.74 = 219,264.85 : x
  2. Step 2: Convert to fraction form
    624,121.87/936,224.74 = 219,264.85/x
  3. Step 3: Cross multiply
    624,121.87x = 936,224.74 × 219,264.85
  4. Step 4: Simplify right side
    624,121.87x = 205,281,177,182.39
  5. Step 5: Solve for x
    x = 205,281,177,182.39/624,121.87
  6. Step 6: Final answer
    x = 328,912.01

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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.