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Finding the Fourth Proportional to 647,184.53, 892,180.81 and 452,991.22

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Solution

The fourth proportional to 647,184.53, 892,180.81 and 452,991.22 is: 624,474.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,184.53 : 892,180.81 = 452,991.22 : x
  2. Step 2: Convert to fraction form
    647,184.53/892,180.81 = 452,991.22/x
  3. Step 3: Cross multiply
    647,184.53x = 892,180.81 × 452,991.22
  4. Step 4: Simplify right side
    647,184.53x = 404,150,071,918.28
  5. Step 5: Solve for x
    x = 404,150,071,918.28/647,184.53
  6. Step 6: Final answer
    x = 624,474.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.