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Finding the Fourth Proportional to 533,005.10, 799,279.93 and 308,520.48

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Solution

The fourth proportional to 533,005.10, 799,279.93 and 308,520.48 is: 462,648.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,005.10 : 799,279.93 = 308,520.48 : x
  2. Step 2: Convert to fraction form
    533,005.10/799,279.93 = 308,520.48/x
  3. Step 3: Cross multiply
    533,005.10x = 799,279.93 × 308,520.48
  4. Step 4: Simplify right side
    533,005.10x = 246,594,227,657.97
  5. Step 5: Solve for x
    x = 246,594,227,657.97/533,005.10
  6. Step 6: Final answer
    x = 462,648.91

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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.