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Finding the Fourth Proportional to 417,844.96, 576,635.76 and 248,079.52

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Solution

The fourth proportional to 417,844.96, 576,635.76 and 248,079.52 is: 342,355.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,844.96 : 576,635.76 = 248,079.52 : x
  2. Step 2: Convert to fraction form
    417,844.96/576,635.76 = 248,079.52/x
  3. Step 3: Cross multiply
    417,844.96x = 576,635.76 × 248,079.52
  4. Step 4: Simplify right side
    417,844.96x = 143,051,522,555.64
  5. Step 5: Solve for x
    x = 143,051,522,555.64/417,844.96
  6. Step 6: Final answer
    x = 342,355.51

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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.