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Finding the Fourth Proportional to 503,930.74, 695,424.46 and 277,576.24

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Solution

The fourth proportional to 503,930.74, 695,424.46 and 277,576.24 is: 383,055.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,930.74 : 695,424.46 = 277,576.24 : x
  2. Step 2: Convert to fraction form
    503,930.74/695,424.46 = 277,576.24/x
  3. Step 3: Cross multiply
    503,930.74x = 695,424.46 × 277,576.24
  4. Step 4: Simplify right side
    503,930.74x = 193,033,308,939.27
  5. Step 5: Solve for x
    x = 193,033,308,939.27/503,930.74
  6. Step 6: Final answer
    x = 383,055.24

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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.