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Finding the Fourth Proportional to 409,562.52, 565,172.70 and 228,268.44

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Solution

The fourth proportional to 409,562.52, 565,172.70 and 228,268.44 is: 314,997.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,562.52 : 565,172.70 = 228,268.44 : x
  2. Step 2: Convert to fraction form
    409,562.52/565,172.70 = 228,268.44/x
  3. Step 3: Cross multiply
    409,562.52x = 565,172.70 × 228,268.44
  4. Step 4: Simplify right side
    409,562.52x = 129,011,090,559.59
  5. Step 5: Solve for x
    x = 129,011,090,559.59/409,562.52
  6. Step 6: Final answer
    x = 314,997.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.