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Finding the Fourth Proportional to 263,495.72, 395,254.52 and 76,507.24

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Solution

The fourth proportional to 263,495.72, 395,254.52 and 76,507.24 is: 114,764.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,495.72 : 395,254.52 = 76,507.24 : x
  2. Step 2: Convert to fraction form
    263,495.72/395,254.52 = 76,507.24/x
  3. Step 3: Cross multiply
    263,495.72x = 395,254.52 × 76,507.24
  4. Step 4: Simplify right side
    263,495.72x = 30,239,832,422.72
  5. Step 5: Solve for x
    x = 30,239,832,422.72/263,495.72
  6. Step 6: Final answer
    x = 114,764.04

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1.5x scale

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.