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Finding the Fourth Proportional to 216,278.33, 296,296.38 and 208,192.14

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Solution

The fourth proportional to 216,278.33, 296,296.38 and 208,192.14 is: 285,218.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,278.33 : 296,296.38 = 208,192.14 : x
  2. Step 2: Convert to fraction form
    216,278.33/296,296.38 = 208,192.14/x
  3. Step 3: Cross multiply
    216,278.33x = 296,296.38 × 208,192.14
  4. Step 4: Simplify right side
    216,278.33x = 61,686,577,426.45
  5. Step 5: Solve for x
    x = 61,686,577,426.45/216,278.33
  6. Step 6: Final answer
    x = 285,218.49

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.