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Finding the Fourth Proportional to 536,537.72, 804,930.96 and 157,443.08

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Solution

The fourth proportional to 536,537.72, 804,930.96 and 157,443.08 is: 236,201.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,537.72 : 804,930.96 = 157,443.08 : x
  2. Step 2: Convert to fraction form
    536,537.72/804,930.96 = 157,443.08/x
  3. Step 3: Cross multiply
    536,537.72x = 804,930.96 × 157,443.08
  4. Step 4: Simplify right side
    536,537.72x = 126,730,809,529.76
  5. Step 5: Solve for x
    x = 126,730,809,529.76/536,537.72
  6. Step 6: Final answer
    x = 236,201.12

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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.