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Finding the Fourth Proportional to 536,553.60, 804,538.80 and 181,384.80

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Solution

The fourth proportional to 536,553.60, 804,538.80 and 181,384.80 is: 271,978.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,553.60 : 804,538.80 = 181,384.80 : x
  2. Step 2: Convert to fraction form
    536,553.60/804,538.80 = 181,384.80/x
  3. Step 3: Cross multiply
    536,553.60x = 804,538.80 × 181,384.80
  4. Step 4: Simplify right side
    536,553.60x = 145,931,109,330.24
  5. Step 5: Solve for x
    x = 145,931,109,330.24/536,553.60
  6. Step 6: Final answer
    x = 271,978.62

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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.