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Finding the Fourth Proportional to 417,651.69, 576,359.63 and 226,665.08

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Solution

The fourth proportional to 417,651.69, 576,359.63 and 226,665.08 is: 312,797.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,651.69 : 576,359.63 = 226,665.08 : x
  2. Step 2: Convert to fraction form
    417,651.69/576,359.63 = 226,665.08/x
  3. Step 3: Cross multiply
    417,651.69x = 576,359.63 × 226,665.08
  4. Step 4: Simplify right side
    417,651.69x = 130,640,601,642.72
  5. Step 5: Solve for x
    x = 130,640,601,642.72/417,651.69
  6. Step 6: Final answer
    x = 312,797.97

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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.