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Finding the Fourth Proportional to 693,626.20, 958,012.86 and 466,912.60

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Solution

The fourth proportional to 693,626.20, 958,012.86 and 466,912.60 is: 644,883.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,626.20 : 958,012.86 = 466,912.60 : x
  2. Step 2: Convert to fraction form
    693,626.20/958,012.86 = 466,912.60/x
  3. Step 3: Cross multiply
    693,626.20x = 958,012.86 × 466,912.60
  4. Step 4: Simplify right side
    693,626.20x = 447,308,275,296.04
  5. Step 5: Solve for x
    x = 447,308,275,296.04/693,626.20
  6. Step 6: Final answer
    x = 644,883.76

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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.