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Finding the Fourth Proportional to 262,847.40, 394,271.10 and 179,903.40

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Solution

The fourth proportional to 262,847.40, 394,271.10 and 179,903.40 is: 269,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,847.40 : 394,271.10 = 179,903.40 : x
  2. Step 2: Convert to fraction form
    262,847.40/394,271.10 = 179,903.40/x
  3. Step 3: Cross multiply
    262,847.40x = 394,271.10 × 179,903.40
  4. Step 4: Simplify right side
    262,847.40x = 70,930,711,411.74
  5. Step 5: Solve for x
    x = 70,930,711,411.74/262,847.40
  6. Step 6: Final answer
    x = 269,855.10

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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.