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Finding the Fourth Proportional to 541,362.48, 812,155.77 and 162,267.90

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Solution

The fourth proportional to 541,362.48, 812,155.77 and 162,267.90 is: 243,435.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,362.48 : 812,155.77 = 162,267.90 : x
  2. Step 2: Convert to fraction form
    541,362.48/812,155.77 = 162,267.90/x
  3. Step 3: Cross multiply
    541,362.48x = 812,155.77 × 162,267.90
  4. Step 4: Simplify right side
    541,362.48x = 131,786,811,270.78
  5. Step 5: Solve for x
    x = 131,786,811,270.78/541,362.48
  6. Step 6: Final answer
    x = 243,435.44

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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.