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Finding the Fourth Proportional to 699,064.62, 964,405.62 and 444,279.12

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Solution

The fourth proportional to 699,064.62, 964,405.62 and 444,279.12 is: 612,912.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,064.62 : 964,405.62 = 444,279.12 : x
  2. Step 2: Convert to fraction form
    699,064.62/964,405.62 = 444,279.12/x
  3. Step 3: Cross multiply
    699,064.62x = 964,405.62 × 444,279.12
  4. Step 4: Simplify right side
    699,064.62x = 428,465,280,176.65
  5. Step 5: Solve for x
    x = 428,465,280,176.65/699,064.62
  6. Step 6: Final answer
    x = 612,912.27

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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.