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Finding the Fourth Proportional to 282,201.12, 388,487.90 and 244,484.48

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Solution

The fourth proportional to 282,201.12, 388,487.90 and 244,484.48 is: 336,565.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,201.12 : 388,487.90 = 244,484.48 : x
  2. Step 2: Convert to fraction form
    282,201.12/388,487.90 = 244,484.48/x
  3. Step 3: Cross multiply
    282,201.12x = 388,487.90 × 244,484.48
  4. Step 4: Simplify right side
    282,201.12x = 94,979,263,800.22
  5. Step 5: Solve for x
    x = 94,979,263,800.22/282,201.12
  6. Step 6: Final answer
    x = 336,565.86

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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.