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Finding the Fourth Proportional to 442,091.40, 610,100.10 and 251,093.40

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Solution

The fourth proportional to 442,091.40, 610,100.10 and 251,093.40 is: 346,516.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,091.40 : 610,100.10 = 251,093.40 : x
  2. Step 2: Convert to fraction form
    442,091.40/610,100.10 = 251,093.40/x
  3. Step 3: Cross multiply
    442,091.40x = 610,100.10 × 251,093.40
  4. Step 4: Simplify right side
    442,091.40x = 153,192,108,449.34
  5. Step 5: Solve for x
    x = 153,192,108,449.34/442,091.40
  6. Step 6: Final answer
    x = 346,516.83

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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.