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Finding the Fourth Proportional to 552,441.74, 828,680.42 and 153,086.36

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Solution

The fourth proportional to 552,441.74, 828,680.42 and 153,086.36 is: 229,634.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,441.74 : 828,680.42 = 153,086.36 : x
  2. Step 2: Convert to fraction form
    552,441.74/828,680.42 = 153,086.36/x
  3. Step 3: Cross multiply
    552,441.74x = 828,680.42 × 153,086.36
  4. Step 4: Simplify right side
    552,441.74x = 126,859,664,957.67
  5. Step 5: Solve for x
    x = 126,859,664,957.67/552,441.74
  6. Step 6: Final answer
    x = 229,634.47

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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.