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Finding the Fourth Proportional to 536,651.13, 804,968.48 and 137,288.52

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Solution

The fourth proportional to 536,651.13, 804,968.48 and 137,288.52 is: 205,930.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,651.13 : 804,968.48 = 137,288.52 : x
  2. Step 2: Convert to fraction form
    536,651.13/804,968.48 = 137,288.52/x
  3. Step 3: Cross multiply
    536,651.13x = 804,968.48 × 137,288.52
  4. Step 4: Simplify right side
    536,651.13x = 110,512,930,579.41
  5. Step 5: Solve for x
    x = 110,512,930,579.41/536,651.13
  6. Step 6: Final answer
    x = 205,930.68

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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.