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Finding the Fourth Proportional to 416,529.99, 624,797.04 and 100,986.90

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Solution

The fourth proportional to 416,529.99, 624,797.04 and 100,986.90 is: 151,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,529.99 : 624,797.04 = 100,986.90 : x
  2. Step 2: Convert to fraction form
    416,529.99/624,797.04 = 100,986.90/x
  3. Step 3: Cross multiply
    416,529.99x = 624,797.04 × 100,986.90
  4. Step 4: Simplify right side
    416,529.99x = 63,096,316,198.78
  5. Step 5: Solve for x
    x = 63,096,316,198.78/416,529.99
  6. Step 6: Final answer
    x = 151,480.85

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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.