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Finding the Fourth Proportional to 536,355.52, 804,532.58 and 136,996.60

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Solution

The fourth proportional to 536,355.52, 804,532.58 and 136,996.60 is: 205,494.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,355.52 : 804,532.58 = 136,996.60 : x
  2. Step 2: Convert to fraction form
    536,355.52/804,532.58 = 136,996.60/x
  3. Step 3: Cross multiply
    536,355.52x = 804,532.58 × 136,996.60
  4. Step 4: Simplify right side
    536,355.52x = 110,218,228,049.23
  5. Step 5: Solve for x
    x = 110,218,228,049.23/536,355.52
  6. Step 6: Final answer
    x = 205,494.72

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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.