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Finding the Fourth Proportional to 263,364.35, 395,057.77 and 103,474.89

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Solution

The fourth proportional to 263,364.35, 395,057.77 and 103,474.89 is: 155,216.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,364.35 : 395,057.77 = 103,474.89 : x
  2. Step 2: Convert to fraction form
    263,364.35/395,057.77 = 103,474.89/x
  3. Step 3: Cross multiply
    263,364.35x = 395,057.77 × 103,474.89
  4. Step 4: Simplify right side
    263,364.35x = 40,878,559,035.71
  5. Step 5: Solve for x
    x = 40,878,559,035.71/263,364.35
  6. Step 6: Final answer
    x = 155,216.76

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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.