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Finding the Fourth Proportional to 417,651.06, 576,358.77 and 226,664.45

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Solution

The fourth proportional to 417,651.06, 576,358.77 and 226,664.45 is: 312,797.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,651.06 : 576,358.77 = 226,664.45 : x
  2. Step 2: Convert to fraction form
    417,651.06/576,358.77 = 226,664.45/x
  3. Step 3: Cross multiply
    417,651.06x = 576,358.77 × 226,664.45
  4. Step 4: Simplify right side
    417,651.06x = 130,640,042,471.40
  5. Step 5: Solve for x
    x = 130,640,042,471.40/417,651.06
  6. Step 6: Final answer
    x = 312,797.11

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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.