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Finding the Fourth Proportional to 699,396.36, 965,168.46 and 412,934.88

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Solution

The fourth proportional to 699,396.36, 965,168.46 and 412,934.88 is: 569,851.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,396.36 : 965,168.46 = 412,934.88 : x
  2. Step 2: Convert to fraction form
    699,396.36/965,168.46 = 412,934.88/x
  3. Step 3: Cross multiply
    699,396.36x = 965,168.46 × 412,934.88
  4. Step 4: Simplify right side
    699,396.36x = 398,551,722,209.89
  5. Step 5: Solve for x
    x = 398,551,722,209.89/699,396.36
  6. Step 6: Final answer
    x = 569,851.01

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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.