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Finding the Fourth Proportional to 551,632.75, 827,449.13 and 177,655.75

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Solution

The fourth proportional to 551,632.75, 827,449.13 and 177,655.75 is: 266,483.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,632.75 : 827,449.13 = 177,655.75 : x
  2. Step 2: Convert to fraction form
    551,632.75/827,449.13 = 177,655.75/x
  3. Step 3: Cross multiply
    551,632.75x = 827,449.13 × 177,655.75
  4. Step 4: Simplify right side
    551,632.75x = 147,001,095,777.00
  5. Step 5: Solve for x
    x = 147,001,095,777.00/551,632.75
  6. Step 6: Final answer
    x = 266,483.63

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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.