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Finding the Fourth Proportional to 240,010.30, 360,015.45 and 229,771.90

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Solution

The fourth proportional to 240,010.30, 360,015.45 and 229,771.90 is: 344,657.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,010.30 : 360,015.45 = 229,771.90 : x
  2. Step 2: Convert to fraction form
    240,010.30/360,015.45 = 229,771.90/x
  3. Step 3: Cross multiply
    240,010.30x = 360,015.45 × 229,771.90
  4. Step 4: Simplify right side
    240,010.30x = 82,721,433,975.86
  5. Step 5: Solve for x
    x = 82,721,433,975.86/240,010.30
  6. Step 6: Final answer
    x = 344,657.85

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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.