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Finding the Fourth Proportional to 536,643.03, 804,992.10 and 137,287.24

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Solution

The fourth proportional to 536,643.03, 804,992.10 and 137,287.24 is: 205,937.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,643.03 : 804,992.10 = 137,287.24 : x
  2. Step 2: Convert to fraction form
    536,643.03/804,992.10 = 137,287.24/x
  3. Step 3: Cross multiply
    536,643.03x = 804,992.10 × 137,287.24
  4. Step 4: Simplify right side
    536,643.03x = 110,515,143,630.80
  5. Step 5: Solve for x
    x = 110,515,143,630.80/536,643.03
  6. Step 6: Final answer
    x = 205,937.91

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Similar ratio
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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.