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Finding the Fourth Proportional to 672,089.42, 927,456.64 and 366,168.22

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Solution

The fourth proportional to 672,089.42, 927,456.64 and 366,168.22 is: 505,297.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,089.42 : 927,456.64 = 366,168.22 : x
  2. Step 2: Convert to fraction form
    672,089.42/927,456.64 = 366,168.22/x
  3. Step 3: Cross multiply
    672,089.42x = 927,456.64 × 366,168.22
  4. Step 4: Simplify right side
    672,089.42x = 339,605,143,761.92
  5. Step 5: Solve for x
    x = 339,605,143,761.92/672,089.42
  6. Step 6: Final answer
    x = 505,297.56

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Double scale
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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.