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Finding the Fourth Proportional to 302,647.88, 417,683.24 and 168,511.88

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Solution

The fourth proportional to 302,647.88, 417,683.24 and 168,511.88 is: 232,562.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,647.88 : 417,683.24 = 168,511.88 : x
  2. Step 2: Convert to fraction form
    302,647.88/417,683.24 = 168,511.88/x
  3. Step 3: Cross multiply
    302,647.88x = 417,683.24 × 168,511.88
  4. Step 4: Simplify right side
    302,647.88x = 70,384,585,085.92
  5. Step 5: Solve for x
    x = 70,384,585,085.92/302,647.88
  6. Step 6: Final answer
    x = 232,562.63

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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.