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Finding the Fourth Proportional to 303,492.73, 418,817.92 and 165,671.10

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Solution

The fourth proportional to 303,492.73, 418,817.92 and 165,671.10 is: 228,625.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,492.73 : 418,817.92 = 165,671.10 : x
  2. Step 2: Convert to fraction form
    303,492.73/418,817.92 = 165,671.10/x
  3. Step 3: Cross multiply
    303,492.73x = 418,817.92 × 165,671.10
  4. Step 4: Simplify right side
    303,492.73x = 69,386,025,506.11
  5. Step 5: Solve for x
    x = 69,386,025,506.11/303,492.73
  6. Step 6: Final answer
    x = 228,625.00

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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.