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Finding the Fourth Proportional to 654,699.39, 982,288.97 and 275,715.53

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Solution

The fourth proportional to 654,699.39, 982,288.97 and 275,715.53 is: 413,674.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,699.39 : 982,288.97 = 275,715.53 : x
  2. Step 2: Convert to fraction form
    654,699.39/982,288.97 = 275,715.53/x
  3. Step 3: Cross multiply
    654,699.39x = 982,288.97 × 275,715.53
  4. Step 4: Simplify right side
    654,699.39x = 270,832,323,955.10
  5. Step 5: Solve for x
    x = 270,832,323,955.10/654,699.39
  6. Step 6: Final answer
    x = 413,674.32

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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.