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Finding the Fourth Proportional to 536,192.80, 804,580.80 and 220,681.60

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Solution

The fourth proportional to 536,192.80, 804,580.80 and 220,681.60 is: 331,142.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,192.80 : 804,580.80 = 220,681.60 : x
  2. Step 2: Convert to fraction form
    536,192.80/804,580.80 = 220,681.60/x
  3. Step 3: Cross multiply
    536,192.80x = 804,580.80 × 220,681.60
  4. Step 4: Simplify right side
    536,192.80x = 177,556,178,273.28
  5. Step 5: Solve for x
    x = 177,556,178,273.28/536,192.80
  6. Step 6: Final answer
    x = 331,142.41

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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.