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Finding the Fourth Proportional to 536,710.05, 804,940.51 and 157,528.97

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Solution

The fourth proportional to 536,710.05, 804,940.51 and 157,528.97 is: 236,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,710.05 : 804,940.51 = 157,528.97 : x
  2. Step 2: Convert to fraction form
    536,710.05/804,940.51 = 157,528.97/x
  3. Step 3: Cross multiply
    536,710.05x = 804,940.51 × 157,528.97
  4. Step 4: Simplify right side
    536,710.05x = 126,801,449,463.69
  5. Step 5: Solve for x
    x = 126,801,449,463.69/536,710.05
  6. Step 6: Final answer
    x = 236,256.90

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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.