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Finding the Fourth Proportional to 294,003.80, 441,005.70 and 252,013.40

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Solution

The fourth proportional to 294,003.80, 441,005.70 and 252,013.40 is: 378,020.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,003.80 : 441,005.70 = 252,013.40 : x
  2. Step 2: Convert to fraction form
    294,003.80/441,005.70 = 252,013.40/x
  3. Step 3: Cross multiply
    294,003.80x = 441,005.70 × 252,013.40
  4. Step 4: Simplify right side
    294,003.80x = 111,139,345,876.38
  5. Step 5: Solve for x
    x = 111,139,345,876.38/294,003.80
  6. Step 6: Final answer
    x = 378,020.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.