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Finding the Fourth Proportional to 282,286.22, 389,737.37 and 174,970.13

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Solution

The fourth proportional to 282,286.22, 389,737.37 and 174,970.13 is: 241,571.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,286.22 : 389,737.37 = 174,970.13 : x
  2. Step 2: Convert to fraction form
    282,286.22/389,737.37 = 174,970.13/x
  3. Step 3: Cross multiply
    282,286.22x = 389,737.37 × 174,970.13
  4. Step 4: Simplify right side
    282,286.22x = 68,192,396,783.50
  5. Step 5: Solve for x
    x = 68,192,396,783.50/282,286.22
  6. Step 6: Final answer
    x = 241,571.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.