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Finding the Fourth Proportional to 416,515.25, 624,797.09 and 117,019.18

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Solution

The fourth proportional to 416,515.25, 624,797.09 and 117,019.18 is: 175,535.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,515.25 : 624,797.09 = 117,019.18 : x
  2. Step 2: Convert to fraction form
    416,515.25/624,797.09 = 117,019.18/x
  3. Step 3: Cross multiply
    416,515.25x = 624,797.09 × 117,019.18
  4. Step 4: Simplify right side
    416,515.25x = 73,113,244,431.14
  5. Step 5: Solve for x
    x = 73,113,244,431.14/416,515.25
  6. Step 6: Final answer
    x = 175,535.58

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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.