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Finding the Fourth Proportional to 618,039.93, 927,326.31 and 333,674.02

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Solution

The fourth proportional to 618,039.93, 927,326.31 and 333,674.02 is: 500,654.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,039.93 : 927,326.31 = 333,674.02 : x
  2. Step 2: Convert to fraction form
    618,039.93/927,326.31 = 333,674.02/x
  3. Step 3: Cross multiply
    618,039.93x = 927,326.31 × 333,674.02
  4. Step 4: Simplify right side
    618,039.93x = 309,424,691,404.47
  5. Step 5: Solve for x
    x = 309,424,691,404.47/618,039.93
  6. Step 6: Final answer
    x = 500,654.85

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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.