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Finding the Fourth Proportional to 881,716.99, 1,323,165.68 and 320,751.49

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Solution

The fourth proportional to 881,716.99, 1,323,165.68 and 320,751.49 is: 481,341.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,716.99 : 1,323,165.68 = 320,751.49 : x
  2. Step 2: Convert to fraction form
    881,716.99/1,323,165.68 = 320,751.49/x
  3. Step 3: Cross multiply
    881,716.99x = 1,323,165.68 × 320,751.49
  4. Step 4: Simplify right side
    881,716.99x = 424,407,363,376.86
  5. Step 5: Solve for x
    x = 424,407,363,376.86/881,716.99
  6. Step 6: Final answer
    x = 481,341.94

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