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Finding the Fourth Proportional to 417,650.18, 576,359.16 and 226,663.79

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Solution

The fourth proportional to 417,650.18, 576,359.16 and 226,663.79 is: 312,797.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,650.18 : 576,359.16 = 226,663.79 : x
  2. Step 2: Convert to fraction form
    417,650.18/576,359.16 = 226,663.79/x
  3. Step 3: Cross multiply
    417,650.18x = 576,359.16 × 226,663.79
  4. Step 4: Simplify right side
    417,650.18x = 130,639,751,606.82
  5. Step 5: Solve for x
    x = 130,639,751,606.82/417,650.18
  6. Step 6: Final answer
    x = 312,797.07

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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.