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Finding the Fourth Proportional to 395,507.22, 593,275.41 and 203,330.22

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Solution

The fourth proportional to 395,507.22, 593,275.41 and 203,330.22 is: 305,002.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,507.22 : 593,275.41 = 203,330.22 : x
  2. Step 2: Convert to fraction form
    395,507.22/593,275.41 = 203,330.22/x
  3. Step 3: Cross multiply
    395,507.22x = 593,275.41 × 203,330.22
  4. Step 4: Simplify right side
    395,507.22x = 120,630,819,635.89
  5. Step 5: Solve for x
    x = 120,630,819,635.89/395,507.22
  6. Step 6: Final answer
    x = 305,002.83

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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.