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Finding the Fourth Proportional to 551,700.69, 827,649.45 and 214,924.56

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Solution

The fourth proportional to 551,700.69, 827,649.45 and 214,924.56 is: 322,425.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,700.69 : 827,649.45 = 214,924.56 : x
  2. Step 2: Convert to fraction form
    551,700.69/827,649.45 = 214,924.56/x
  3. Step 3: Cross multiply
    551,700.69x = 827,649.45 × 214,924.56
  4. Step 4: Simplify right side
    551,700.69x = 177,882,193,875.49
  5. Step 5: Solve for x
    x = 177,882,193,875.49/551,700.69
  6. Step 6: Final answer
    x = 322,425.18

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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.