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Finding the Fourth Proportional to 886,807.70, 1,330,408.11 and 255,672.26

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Solution

The fourth proportional to 886,807.70, 1,330,408.11 and 255,672.26 is: 383,565.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,807.70 : 1,330,408.11 = 255,672.26 : x
  2. Step 2: Convert to fraction form
    886,807.70/1,330,408.11 = 255,672.26/x
  3. Step 3: Cross multiply
    886,807.70x = 1,330,408.11 × 255,672.26
  4. Step 4: Simplify right side
    886,807.70x = 340,148,448,206.03
  5. Step 5: Solve for x
    x = 340,148,448,206.03/886,807.70
  6. Step 6: Final answer
    x = 383,565.06

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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.