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Finding the Fourth Proportional to 909,997.80, 1,364,996.70 and 732,850.80

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Solution

The fourth proportional to 909,997.80, 1,364,996.70 and 732,850.80 is: 1,099,276.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,997.80 : 1,364,996.70 = 732,850.80 : x
  2. Step 2: Convert to fraction form
    909,997.80/1,364,996.70 = 732,850.80/x
  3. Step 3: Cross multiply
    909,997.80x = 1,364,996.70 × 732,850.80
  4. Step 4: Simplify right side
    909,997.80x = 1,000,338,923,592.36
  5. Step 5: Solve for x
    x = 1,000,338,923,592.36/909,997.80
  6. Step 6: Final answer
    x = 1,099,276.20

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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.