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Finding the Fourth Proportional to 417,472.22, 576,111.88 and 226,485.56

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Solution

The fourth proportional to 417,472.22, 576,111.88 and 226,485.56 is: 312,550.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,472.22 : 576,111.88 = 226,485.56 : x
  2. Step 2: Convert to fraction form
    417,472.22/576,111.88 = 226,485.56/x
  3. Step 3: Cross multiply
    417,472.22x = 576,111.88 × 226,485.56
  4. Step 4: Simplify right side
    417,472.22x = 130,481,023,487.84
  5. Step 5: Solve for x
    x = 130,481,023,487.84/417,472.22
  6. Step 6: Final answer
    x = 312,550.19

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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.