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Finding the Fourth Proportional to 368,562.53, 508,808.31 and 248,335.85

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Solution

The fourth proportional to 368,562.53, 508,808.31 and 248,335.85 is: 342,832.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,562.53 : 508,808.31 = 248,335.85 : x
  2. Step 2: Convert to fraction form
    368,562.53/508,808.31 = 248,335.85/x
  3. Step 3: Cross multiply
    368,562.53x = 508,808.31 × 248,335.85
  4. Step 4: Simplify right side
    368,562.53x = 126,355,344,150.91
  5. Step 5: Solve for x
    x = 126,355,344,150.91/368,562.53
  6. Step 6: Final answer
    x = 342,832.85

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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.