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Finding the Fourth Proportional to 264,626.72, 365,104.40 and 149,887.12

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Solution

The fourth proportional to 264,626.72, 365,104.40 and 149,887.12 is: 206,798.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,626.72 : 365,104.40 = 149,887.12 : x
  2. Step 2: Convert to fraction form
    264,626.72/365,104.40 = 149,887.12/x
  3. Step 3: Cross multiply
    264,626.72x = 365,104.40 × 149,887.12
  4. Step 4: Simplify right side
    264,626.72x = 54,724,447,015.33
  5. Step 5: Solve for x
    x = 54,724,447,015.33/264,626.72
  6. Step 6: Final answer
    x = 206,798.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.