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Finding the Fourth Proportional to 484,641.88, 727,079.46 and 204,239.32

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Solution

The fourth proportional to 484,641.88, 727,079.46 and 204,239.32 is: 306,408.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,641.88 : 727,079.46 = 204,239.32 : x
  2. Step 2: Convert to fraction form
    484,641.88/727,079.46 = 204,239.32/x
  3. Step 3: Cross multiply
    484,641.88x = 727,079.46 × 204,239.32
  4. Step 4: Simplify right side
    484,641.88x = 148,498,214,496.37
  5. Step 5: Solve for x
    x = 148,498,214,496.37/484,641.88
  6. Step 6: Final answer
    x = 306,408.13

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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.