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Finding the Fourth Proportional to 416,375.64, 624,573.18 and 191,923.83

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Solution

The fourth proportional to 416,375.64, 624,573.18 and 191,923.83 is: 287,890.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,375.64 : 624,573.18 = 191,923.83 : x
  2. Step 2: Convert to fraction form
    416,375.64/624,573.18 = 191,923.83/x
  3. Step 3: Cross multiply
    416,375.64x = 624,573.18 × 191,923.83
  4. Step 4: Simplify right side
    416,375.64x = 119,870,476,820.88
  5. Step 5: Solve for x
    x = 119,870,476,820.88/416,375.64
  6. Step 6: Final answer
    x = 287,890.23

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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.