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Finding the Fourth Proportional to 546,716.11, 754,468.56 and 304,998.69

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Solution

The fourth proportional to 546,716.11, 754,468.56 and 304,998.69 is: 420,898.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,716.11 : 754,468.56 = 304,998.69 : x
  2. Step 2: Convert to fraction form
    546,716.11/754,468.56 = 304,998.69/x
  3. Step 3: Cross multiply
    546,716.11x = 754,468.56 × 304,998.69
  4. Step 4: Simplify right side
    546,716.11x = 230,111,919,338.52
  5. Step 5: Solve for x
    x = 230,111,919,338.52/546,716.11
  6. Step 6: Final answer
    x = 420,898.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.