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Finding the Fourth Proportional to 416,040.64, 624,060.96 and 100,497.55

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Solution

The fourth proportional to 416,040.64, 624,060.96 and 100,497.55 is: 150,746.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,040.64 : 624,060.96 = 100,497.55 : x
  2. Step 2: Convert to fraction form
    416,040.64/624,060.96 = 100,497.55/x
  3. Step 3: Cross multiply
    416,040.64x = 624,060.96 × 100,497.55
  4. Step 4: Simplify right side
    416,040.64x = 62,716,597,530.65
  5. Step 5: Solve for x
    x = 62,716,597,530.65/416,040.64
  6. Step 6: Final answer
    x = 150,746.33

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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.