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Finding the Fourth Proportional to 417,472.32, 576,112.01 and 226,485.66

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Solution

The fourth proportional to 417,472.32, 576,112.01 and 226,485.66 is: 312,550.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,472.32 : 576,112.01 = 226,485.66 : x
  2. Step 2: Convert to fraction form
    417,472.32/576,112.01 = 226,485.66/x
  3. Step 3: Cross multiply
    417,472.32x = 576,112.01 × 226,485.66
  4. Step 4: Simplify right side
    417,472.32x = 130,481,107,686.35
  5. Step 5: Solve for x
    x = 130,481,107,686.35/417,472.32
  6. Step 6: Final answer
    x = 312,550.32

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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.