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Finding the Fourth Proportional to 498,927.73, 748,864.74 and 308,813.02

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Solution

The fourth proportional to 498,927.73, 748,864.74 and 308,813.02 is: 463,512.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,927.73 : 748,864.74 = 308,813.02 : x
  2. Step 2: Convert to fraction form
    498,927.73/748,864.74 = 308,813.02/x
  3. Step 3: Cross multiply
    498,927.73x = 748,864.74 × 308,813.02
  4. Step 4: Simplify right side
    498,927.73x = 231,259,181,930.92
  5. Step 5: Solve for x
    x = 231,259,181,930.92/498,927.73
  6. Step 6: Final answer
    x = 463,512.38

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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.