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Finding the Fourth Proportional to 265,043.58, 397,584.81 and 75,500.34

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Solution

The fourth proportional to 265,043.58, 397,584.81 and 75,500.34 is: 113,256.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,043.58 : 397,584.81 = 75,500.34 : x
  2. Step 2: Convert to fraction form
    265,043.58/397,584.81 = 75,500.34/x
  3. Step 3: Cross multiply
    265,043.58x = 397,584.81 × 75,500.34
  4. Step 4: Simplify right side
    265,043.58x = 30,017,788,333.84
  5. Step 5: Solve for x
    x = 30,017,788,333.84/265,043.58
  6. Step 6: Final answer
    x = 113,256.05

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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.