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Finding the Fourth Proportional to 362,012.91, 499,448.62 and 225,995.21

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Solution

The fourth proportional to 362,012.91, 499,448.62 and 225,995.21 is: 311,792.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,012.91 : 499,448.62 = 225,995.21 : x
  2. Step 2: Convert to fraction form
    362,012.91/499,448.62 = 225,995.21/x
  3. Step 3: Cross multiply
    362,012.91x = 499,448.62 × 225,995.21
  4. Step 4: Simplify right side
    362,012.91x = 112,872,995,761.11
  5. Step 5: Solve for x
    x = 112,872,995,761.11/362,012.91
  6. Step 6: Final answer
    x = 311,792.74

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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.