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Finding the Fourth Proportional to 363,048.40, 544,313.40 and 205,325.20

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Solution

The fourth proportional to 363,048.40, 544,313.40 and 205,325.20 is: 307,841.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,048.40 : 544,313.40 = 205,325.20 : x
  2. Step 2: Convert to fraction form
    363,048.40/544,313.40 = 205,325.20/x
  3. Step 3: Cross multiply
    363,048.40x = 544,313.40 × 205,325.20
  4. Step 4: Simplify right side
    363,048.40x = 111,761,257,717.68
  5. Step 5: Solve for x
    x = 111,761,257,717.68/363,048.40
  6. Step 6: Final answer
    x = 307,841.21

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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.