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Finding the Fourth Proportional to 503,996.31, 695,269.71 and 322,562.79

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Solution

The fourth proportional to 503,996.31, 695,269.71 and 322,562.79 is: 444,979.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,996.31 : 695,269.71 = 322,562.79 : x
  2. Step 2: Convert to fraction form
    503,996.31/695,269.71 = 322,562.79/x
  3. Step 3: Cross multiply
    503,996.31x = 695,269.71 × 322,562.79
  4. Step 4: Simplify right side
    503,996.31x = 224,268,137,460.09
  5. Step 5: Solve for x
    x = 224,268,137,460.09/503,996.31
  6. Step 6: Final answer
    x = 444,979.72

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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.