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Finding the Fourth Proportional to 264,212.70, 396,027.45 and 145,968.90

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Solution

The fourth proportional to 264,212.70, 396,027.45 and 145,968.90 is: 218,792.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,212.70 : 396,027.45 = 145,968.90 : x
  2. Step 2: Convert to fraction form
    264,212.70/396,027.45 = 145,968.90/x
  3. Step 3: Cross multiply
    264,212.70x = 396,027.45 × 145,968.90
  4. Step 4: Simplify right side
    264,212.70x = 57,807,691,246.31
  5. Step 5: Solve for x
    x = 57,807,691,246.31/264,212.70
  6. Step 6: Final answer
    x = 218,792.25

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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.