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Finding the Fourth Proportional to 672,324.75, 927,808.32 and 366,401.22

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Solution

The fourth proportional to 672,324.75, 927,808.32 and 366,401.22 is: 505,633.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,324.75 : 927,808.32 = 366,401.22 : x
  2. Step 2: Convert to fraction form
    672,324.75/927,808.32 = 366,401.22/x
  3. Step 3: Cross multiply
    672,324.75x = 927,808.32 × 366,401.22
  4. Step 4: Simplify right side
    672,324.75x = 339,950,100,374.15
  5. Step 5: Solve for x
    x = 339,950,100,374.15/672,324.75
  6. Step 6: Final answer
    x = 505,633.77

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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.