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Finding the Fourth Proportional to 552,509.69, 828,770.70 and 153,153.94

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Solution

The fourth proportional to 552,509.69, 828,770.70 and 153,153.94 is: 229,732.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,509.69 : 828,770.70 = 153,153.94 : x
  2. Step 2: Convert to fraction form
    552,509.69/828,770.70 = 153,153.94/x
  3. Step 3: Cross multiply
    552,509.69x = 828,770.70 × 153,153.94
  4. Step 4: Simplify right side
    552,509.69x = 126,929,498,061.56
  5. Step 5: Solve for x
    x = 126,929,498,061.56/552,509.69
  6. Step 6: Final answer
    x = 229,732.62

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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.