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Finding the Fourth Proportional to 403,446.22, 605,028.08 and 119,061.29

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Solution

The fourth proportional to 403,446.22, 605,028.08 and 119,061.29 is: 178,550.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,446.22 : 605,028.08 = 119,061.29 : x
  2. Step 2: Convert to fraction form
    403,446.22/605,028.08 = 119,061.29/x
  3. Step 3: Cross multiply
    403,446.22x = 605,028.08 × 119,061.29
  4. Step 4: Simplify right side
    403,446.22x = 72,035,425,501.25
  5. Step 5: Solve for x
    x = 72,035,425,501.25/403,446.22
  6. Step 6: Final answer
    x = 178,550.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.