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Finding the Fourth Proportional to 368,124.18, 508,005.23 and 204,778.73

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Solution

The fourth proportional to 368,124.18, 508,005.23 and 204,778.73 is: 282,591.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,124.18 : 508,005.23 = 204,778.73 : x
  2. Step 2: Convert to fraction form
    368,124.18/508,005.23 = 204,778.73/x
  3. Step 3: Cross multiply
    368,124.18x = 508,005.23 × 204,778.73
  4. Step 4: Simplify right side
    368,124.18x = 104,028,663,292.73
  5. Step 5: Solve for x
    x = 104,028,663,292.73/368,124.18
  6. Step 6: Final answer
    x = 282,591.23

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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.