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Finding the Fourth Proportional to 536,646.62, 804,961.73 and 137,284.02

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Solution

The fourth proportional to 536,646.62, 804,961.73 and 137,284.02 is: 205,923.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,646.62 : 804,961.73 = 137,284.02 : x
  2. Step 2: Convert to fraction form
    536,646.62/804,961.73 = 137,284.02/x
  3. Step 3: Cross multiply
    536,646.62x = 804,961.73 × 137,284.02
  4. Step 4: Simplify right side
    536,646.62x = 110,508,382,583.77
  5. Step 5: Solve for x
    x = 110,508,382,583.77/536,646.62
  6. Step 6: Final answer
    x = 205,923.93

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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.