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Finding the Fourth Proportional to 503,980.92, 755,571.78 and 264,048.81

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Solution

The fourth proportional to 503,980.92, 755,571.78 and 264,048.81 is: 395,863.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,980.92 : 755,571.78 = 264,048.81 : x
  2. Step 2: Convert to fraction form
    503,980.92/755,571.78 = 264,048.81/x
  3. Step 3: Cross multiply
    503,980.92x = 755,571.78 × 264,048.81
  4. Step 4: Simplify right side
    503,980.92x = 199,507,829,378.58
  5. Step 5: Solve for x
    x = 199,507,829,378.58/503,980.92
  6. Step 6: Final answer
    x = 395,863.85

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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.