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Finding the Fourth Proportional to 536,554.10, 804,939.15 and 157,474.10

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Solution

The fourth proportional to 536,554.10, 804,939.15 and 157,474.10 is: 236,242.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,554.10 : 804,939.15 = 157,474.10 : x
  2. Step 2: Convert to fraction form
    536,554.10/804,939.15 = 157,474.10/x
  3. Step 3: Cross multiply
    536,554.10x = 804,939.15 × 157,474.10
  4. Step 4: Simplify right side
    536,554.10x = 126,757,068,201.02
  5. Step 5: Solve for x
    x = 126,757,068,201.02/536,554.10
  6. Step 6: Final answer
    x = 236,242.85

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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.