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Finding the Fourth Proportional to 417,773.56, 576,677.28 and 248,007.82

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Solution

The fourth proportional to 417,773.56, 576,677.28 and 248,007.82 is: 342,339.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,773.56 : 576,677.28 = 248,007.82 : x
  2. Step 2: Convert to fraction form
    417,773.56/576,677.28 = 248,007.82/x
  3. Step 3: Cross multiply
    417,773.56x = 576,677.28 × 248,007.82
  4. Step 4: Simplify right side
    417,773.56x = 143,020,475,056.33
  5. Step 5: Solve for x
    x = 143,020,475,056.33/417,773.56
  6. Step 6: Final answer
    x = 342,339.70

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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.