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Finding the Fourth Proportional to 484,163.60, 726,245.40 and 325,533.20

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Solution

The fourth proportional to 484,163.60, 726,245.40 and 325,533.20 is: 488,299.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,163.60 : 726,245.40 = 325,533.20 : x
  2. Step 2: Convert to fraction form
    484,163.60/726,245.40 = 325,533.20/x
  3. Step 3: Cross multiply
    484,163.60x = 726,245.40 × 325,533.20
  4. Step 4: Simplify right side
    484,163.60x = 236,416,989,047.28
  5. Step 5: Solve for x
    x = 236,416,989,047.28/484,163.60
  6. Step 6: Final answer
    x = 488,299.80

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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.