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Finding the Fourth Proportional to 325,847.80, 488,771.70 and 101,206.45

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Solution

The fourth proportional to 325,847.80, 488,771.70 and 101,206.45 is: 151,809.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,847.80 : 488,771.70 = 101,206.45 : x
  2. Step 2: Convert to fraction form
    325,847.80/488,771.70 = 101,206.45/x
  3. Step 3: Cross multiply
    325,847.80x = 488,771.70 × 101,206.45
  4. Step 4: Simplify right side
    325,847.80x = 49,466,848,617.47
  5. Step 5: Solve for x
    x = 49,466,848,617.47/325,847.80
  6. Step 6: Final answer
    x = 151,809.68

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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.