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Finding the Fourth Proportional to 263,444.80, 394,292.40 and 263,444.80

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Solution

The fourth proportional to 263,444.80, 394,292.40 and 263,444.80 is: 394,292.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,444.80 : 394,292.40 = 263,444.80 : x
  2. Step 2: Convert to fraction form
    263,444.80/394,292.40 = 263,444.80/x
  3. Step 3: Cross multiply
    263,444.80x = 394,292.40 × 263,444.80
  4. Step 4: Simplify right side
    263,444.80x = 103,874,282,459.52
  5. Step 5: Solve for x
    x = 103,874,282,459.52/263,444.80
  6. Step 6: Final answer
    x = 394,292.40

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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.