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Finding the Fourth Proportional to 666,879.24, 920,293.40 and 365,073.24

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Solution

The fourth proportional to 666,879.24, 920,293.40 and 365,073.24 is: 503,801.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,879.24 : 920,293.40 = 365,073.24 : x
  2. Step 2: Convert to fraction form
    666,879.24/920,293.40 = 365,073.24/x
  3. Step 3: Cross multiply
    666,879.24x = 920,293.40 × 365,073.24
  4. Step 4: Simplify right side
    666,879.24x = 335,974,493,288.62
  5. Step 5: Solve for x
    x = 335,974,493,288.62/666,879.24
  6. Step 6: Final answer
    x = 503,801.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.