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Finding the Fourth Proportional to 395,313.16, 593,027.52 and 114,793.96

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Solution

The fourth proportional to 395,313.16, 593,027.52 and 114,793.96 is: 172,207.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,313.16 : 593,027.52 = 114,793.96 : x
  2. Step 2: Convert to fraction form
    395,313.16/593,027.52 = 114,793.96/x
  3. Step 3: Cross multiply
    395,313.16x = 593,027.52 × 114,793.96
  4. Step 4: Simplify right side
    395,313.16x = 68,075,977,409.78
  5. Step 5: Solve for x
    x = 68,075,977,409.78/395,313.16
  6. Step 6: Final answer
    x = 172,207.72

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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.