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Finding the Fourth Proportional to 400,656.24, 552,949.65 and 255,467.25

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Solution

The fourth proportional to 400,656.24, 552,949.65 and 255,467.25 is: 352,572.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,656.24 : 552,949.65 = 255,467.25 : x
  2. Step 2: Convert to fraction form
    400,656.24/552,949.65 = 255,467.25/x
  3. Step 3: Cross multiply
    400,656.24x = 552,949.65 × 255,467.25
  4. Step 4: Simplify right side
    400,656.24x = 141,260,526,473.96
  5. Step 5: Solve for x
    x = 141,260,526,473.96/400,656.24
  6. Step 6: Final answer
    x = 352,572.89

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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.