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Finding the Fourth Proportional to 799,698.08, 1,199,609.12 and 267,221.03

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Solution

The fourth proportional to 799,698.08, 1,199,609.12 and 267,221.03 is: 400,852.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,698.08 : 1,199,609.12 = 267,221.03 : x
  2. Step 2: Convert to fraction form
    799,698.08/1,199,609.12 = 267,221.03/x
  3. Step 3: Cross multiply
    799,698.08x = 1,199,609.12 × 267,221.03
  4. Step 4: Simplify right side
    799,698.08x = 320,560,779,313.80
  5. Step 5: Solve for x
    x = 320,560,779,313.80/799,698.08
  6. Step 6: Final answer
    x = 400,852.25

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Double scale
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Similar ratio
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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.