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Finding the Fourth Proportional to 282,682.80, 396,280.80 and 282,682.80

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Solution

The fourth proportional to 282,682.80, 396,280.80 and 282,682.80 is: 396,280.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,682.80 : 396,280.80 = 282,682.80 : x
  2. Step 2: Convert to fraction form
    282,682.80/396,280.80 = 282,682.80/x
  3. Step 3: Cross multiply
    282,682.80x = 396,280.80 × 282,682.80
  4. Step 4: Simplify right side
    282,682.80x = 112,021,766,130.24
  5. Step 5: Solve for x
    x = 112,021,766,130.24/282,682.80
  6. Step 6: Final answer
    x = 396,280.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.