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Finding the Fourth Proportional to 395,622.12, 593,255.76 and 235,773.48

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Solution

The fourth proportional to 395,622.12, 593,255.76 and 235,773.48 is: 353,554.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,622.12 : 593,255.76 = 235,773.48 : x
  2. Step 2: Convert to fraction form
    395,622.12/593,255.76 = 235,773.48/x
  3. Step 3: Cross multiply
    395,622.12x = 593,255.76 × 235,773.48
  4. Step 4: Simplify right side
    395,622.12x = 139,873,975,065.25
  5. Step 5: Solve for x
    x = 139,873,975,065.25/395,622.12
  6. Step 6: Final answer
    x = 353,554.49

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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.