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Finding the Fourth Proportional to 350,464.50, 483,640.60 and 189,319.52

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Solution

The fourth proportional to 350,464.50, 483,640.60 and 189,319.52 is: 261,260.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,464.50 : 483,640.60 = 189,319.52 : x
  2. Step 2: Convert to fraction form
    350,464.50/483,640.60 = 189,319.52/x
  3. Step 3: Cross multiply
    350,464.50x = 483,640.60 × 189,319.52
  4. Step 4: Simplify right side
    350,464.50x = 91,562,606,244.51
  5. Step 5: Solve for x
    x = 91,562,606,244.51/350,464.50
  6. Step 6: Final answer
    x = 261,260.72

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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.