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Finding the Fourth Proportional to 720,593.56, 994,317.49 and 410,504.30

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Solution

The fourth proportional to 720,593.56, 994,317.49 and 410,504.30 is: 566,438.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,593.56 : 994,317.49 = 410,504.30 : x
  2. Step 2: Convert to fraction form
    720,593.56/994,317.49 = 410,504.30/x
  3. Step 3: Cross multiply
    720,593.56x = 994,317.49 × 410,504.30
  4. Step 4: Simplify right side
    720,593.56x = 408,171,603,157.69
  5. Step 5: Solve for x
    x = 408,171,603,157.69/720,593.56
  6. Step 6: Final answer
    x = 566,438.04

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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.