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Finding the Fourth Proportional to 673,613.80, 1,008,087.90 and 617,626.60

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Solution

The fourth proportional to 673,613.80, 1,008,087.90 and 617,626.60 is: 924,300.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,613.80 : 1,008,087.90 = 617,626.60 : x
  2. Step 2: Convert to fraction form
    673,613.80/1,008,087.90 = 617,626.60/x
  3. Step 3: Cross multiply
    673,613.80x = 1,008,087.90 × 617,626.60
  4. Step 4: Simplify right side
    673,613.80x = 622,621,902,178.14
  5. Step 5: Solve for x
    x = 622,621,902,178.14/673,613.80
  6. Step 6: Final answer
    x = 924,300.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.