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Finding the Fourth Proportional to 262,853.80, 394,280.70 and 94,454.80

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Solution

The fourth proportional to 262,853.80, 394,280.70 and 94,454.80 is: 141,682.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,853.80 : 394,280.70 = 94,454.80 : x
  2. Step 2: Convert to fraction form
    262,853.80/394,280.70 = 94,454.80/x
  3. Step 3: Cross multiply
    262,853.80x = 394,280.70 × 94,454.80
  4. Step 4: Simplify right side
    262,853.80x = 37,241,704,662.36
  5. Step 5: Solve for x
    x = 37,241,704,662.36/262,853.80
  6. Step 6: Final answer
    x = 141,682.20

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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.