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Finding the Fourth Proportional to 366,887.70, 550,331.55 and 100,647.79

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Solution

The fourth proportional to 366,887.70, 550,331.55 and 100,647.79 is: 150,971.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,887.70 : 550,331.55 = 100,647.79 : x
  2. Step 2: Convert to fraction form
    366,887.70/550,331.55 = 100,647.79/x
  3. Step 3: Cross multiply
    366,887.70x = 550,331.55 × 100,647.79
  4. Step 4: Simplify right side
    366,887.70x = 55,389,652,898.95
  5. Step 5: Solve for x
    x = 55,389,652,898.95/366,887.70
  6. Step 6: Final answer
    x = 150,971.68

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1.5x scale

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.