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Finding the Fourth Proportional to 886,479.30, 1,244,220.30 and 886,479.30

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Solution

The fourth proportional to 886,479.30, 1,244,220.30 and 886,479.30 is: 1,244,220.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,479.30 : 1,244,220.30 = 886,479.30 : x
  2. Step 2: Convert to fraction form
    886,479.30/1,244,220.30 = 886,479.30/x
  3. Step 3: Cross multiply
    886,479.30x = 1,244,220.30 × 886,479.30
  4. Step 4: Simplify right side
    886,479.30x = 1,102,975,540,589.79
  5. Step 5: Solve for x
    x = 1,102,975,540,589.79/886,479.30
  6. Step 6: Final answer
    x = 1,244,220.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.