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Finding the Fourth Proportional to 235,018.60, 353,178.56 and 229,321.48

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Solution

The fourth proportional to 235,018.60, 353,178.56 and 229,321.48 is: 344,617.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,018.60 : 353,178.56 = 229,321.48 : x
  2. Step 2: Convert to fraction form
    235,018.60/353,178.56 = 229,321.48/x
  3. Step 3: Cross multiply
    235,018.60x = 353,178.56 × 229,321.48
  4. Step 4: Simplify right side
    235,018.60x = 80,991,430,083.47
  5. Step 5: Solve for x
    x = 80,991,430,083.47/235,018.60
  6. Step 6: Final answer
    x = 344,617.11

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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.