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Finding the Fourth Proportional to 297,857.66, 411,103.40 and 176,975.72

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Solution

The fourth proportional to 297,857.66, 411,103.40 and 176,975.72 is: 244,262.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,857.66 : 411,103.40 = 176,975.72 : x
  2. Step 2: Convert to fraction form
    297,857.66/411,103.40 = 176,975.72/x
  3. Step 3: Cross multiply
    297,857.66x = 411,103.40 × 176,975.72
  4. Step 4: Simplify right side
    297,857.66x = 72,755,318,810.69
  5. Step 5: Solve for x
    x = 72,755,318,810.69/297,857.66
  6. Step 6: Final answer
    x = 244,262.04

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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.