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Finding the Fourth Proportional to 536,503.48, 804,879.78 and 157,408.90

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Solution

The fourth proportional to 536,503.48, 804,879.78 and 157,408.90 is: 236,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,503.48 : 804,879.78 = 157,408.90 : x
  2. Step 2: Convert to fraction form
    536,503.48/804,879.78 = 157,408.90/x
  3. Step 3: Cross multiply
    536,503.48x = 804,879.78 × 157,408.90
  4. Step 4: Simplify right side
    536,503.48x = 126,695,240,802.04
  5. Step 5: Solve for x
    x = 126,695,240,802.04/536,503.48
  6. Step 6: Final answer
    x = 236,149.90

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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.