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Finding the Fourth Proportional to 452,578.94, 624,489.51 and 261,555.44

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Solution

The fourth proportional to 452,578.94, 624,489.51 and 261,555.44 is: 360,906.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,578.94 : 624,489.51 = 261,555.44 : x
  2. Step 2: Convert to fraction form
    452,578.94/624,489.51 = 261,555.44/x
  3. Step 3: Cross multiply
    452,578.94x = 624,489.51 × 261,555.44
  4. Step 4: Simplify right side
    452,578.94x = 163,338,628,563.43
  5. Step 5: Solve for x
    x = 163,338,628,563.43/452,578.94
  6. Step 6: Final answer
    x = 360,906.38

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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.