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Finding the Fourth Proportional to 366,994.08, 506,411.28 and 205,815.92

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Solution

The fourth proportional to 366,994.08, 506,411.28 and 205,815.92 is: 284,003.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,994.08 : 506,411.28 = 205,815.92 : x
  2. Step 2: Convert to fraction form
    366,994.08/506,411.28 = 205,815.92/x
  3. Step 3: Cross multiply
    366,994.08x = 506,411.28 × 205,815.92
  4. Step 4: Simplify right side
    366,994.08x = 104,227,503,491.58
  5. Step 5: Solve for x
    x = 104,227,503,491.58/366,994.08
  6. Step 6: Final answer
    x = 284,003.23

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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.