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Finding the Fourth Proportional to 672,230.21, 927,665.73 and 366,308.73

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Solution

The fourth proportional to 672,230.21, 927,665.73 and 366,308.73 is: 505,499.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,230.21 : 927,665.73 = 366,308.73 : x
  2. Step 2: Convert to fraction form
    672,230.21/927,665.73 = 366,308.73/x
  3. Step 3: Cross multiply
    672,230.21x = 927,665.73 × 366,308.73
  4. Step 4: Simplify right side
    672,230.21x = 339,812,055,420.82
  5. Step 5: Solve for x
    x = 339,812,055,420.82/672,230.21
  6. Step 6: Final answer
    x = 505,499.53

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Double scale
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Similar ratio
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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.