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Finding the Fourth Proportional to 302,509.26, 417,642.48 and 268,879.14

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Solution

The fourth proportional to 302,509.26, 417,642.48 and 268,879.14 is: 371,212.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,509.26 : 417,642.48 = 268,879.14 : x
  2. Step 2: Convert to fraction form
    302,509.26/417,642.48 = 268,879.14/x
  3. Step 3: Cross multiply
    302,509.26x = 417,642.48 × 268,879.14
  4. Step 4: Simplify right side
    302,509.26x = 112,295,350,849.87
  5. Step 5: Solve for x
    x = 112,295,350,849.87/302,509.26
  6. Step 6: Final answer
    x = 371,212.94

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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.