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Finding the Fourth Proportional to 297,916.18, 411,184.08 and 177,034.11

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Solution

The fourth proportional to 297,916.18, 411,184.08 and 177,034.11 is: 244,342.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,916.18 : 411,184.08 = 177,034.11 : x
  2. Step 2: Convert to fraction form
    297,916.18/411,184.08 = 177,034.11/x
  3. Step 3: Cross multiply
    297,916.18x = 411,184.08 × 177,034.11
  4. Step 4: Simplify right side
    297,916.18x = 72,793,606,107.03
  5. Step 5: Solve for x
    x = 72,793,606,107.03/297,916.18
  6. Step 6: Final answer
    x = 244,342.58

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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.