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Finding the Fourth Proportional to 536,659.13, 804,980.47 and 137,296.52

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Solution

The fourth proportional to 536,659.13, 804,980.47 and 137,296.52 is: 205,942.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,659.13 : 804,980.47 = 137,296.52 : x
  2. Step 2: Convert to fraction form
    536,659.13/804,980.47 = 137,296.52/x
  3. Step 3: Cross multiply
    536,659.13x = 804,980.47 × 137,296.52
  4. Step 4: Simplify right side
    536,659.13x = 110,521,017,198.96
  5. Step 5: Solve for x
    x = 110,521,017,198.96/536,659.13
  6. Step 6: Final answer
    x = 205,942.68

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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.