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Finding the Fourth Proportional to 551,376.60, 827,259.30 and 531,936.60

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Solution

The fourth proportional to 551,376.60, 827,259.30 and 531,936.60 is: 798,092.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,376.60 : 827,259.30 = 531,936.60 : x
  2. Step 2: Convert to fraction form
    551,376.60/827,259.30 = 531,936.60/x
  3. Step 3: Cross multiply
    551,376.60x = 827,259.30 × 531,936.60
  4. Step 4: Simplify right side
    551,376.60x = 440,049,499,360.38
  5. Step 5: Solve for x
    x = 440,049,499,360.38/551,376.60
  6. Step 6: Final answer
    x = 798,092.45

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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.