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Finding the Fourth Proportional to 531,940.80, 797,911.20 and 252,004.80

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Solution

The fourth proportional to 531,940.80, 797,911.20 and 252,004.80 is: 378,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,940.80 : 797,911.20 = 252,004.80 : x
  2. Step 2: Convert to fraction form
    531,940.80/797,911.20 = 252,004.80/x
  3. Step 3: Cross multiply
    531,940.80x = 797,911.20 × 252,004.80
  4. Step 4: Simplify right side
    531,940.80x = 201,077,452,373.76
  5. Step 5: Solve for x
    x = 201,077,452,373.76/531,940.80
  6. Step 6: Final answer
    x = 378,007.20

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Similar ratio
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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.