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Finding the Fourth Proportional to 694,205.05, 957,720.34 and 452,399.53

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Solution

The fourth proportional to 694,205.05, 957,720.34 and 452,399.53 is: 624,127.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,205.05 : 957,720.34 = 452,399.53 : x
  2. Step 2: Convert to fraction form
    694,205.05/957,720.34 = 452,399.53/x
  3. Step 3: Cross multiply
    694,205.05x = 957,720.34 × 452,399.53
  4. Step 4: Simplify right side
    694,205.05x = 433,272,231,687.44
  5. Step 5: Solve for x
    x = 433,272,231,687.44/694,205.05
  6. Step 6: Final answer
    x = 624,127.17

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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.