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Finding the Fourth Proportional to 445,847.60, 668,857.80 and 224,231.60

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Solution

The fourth proportional to 445,847.60, 668,857.80 and 224,231.60 is: 336,390.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,847.60 : 668,857.80 = 224,231.60 : x
  2. Step 2: Convert to fraction form
    445,847.60/668,857.80 = 224,231.60/x
  3. Step 3: Cross multiply
    445,847.60x = 668,857.80 × 224,231.60
  4. Step 4: Simplify right side
    445,847.60x = 149,979,054,666.48
  5. Step 5: Solve for x
    x = 149,979,054,666.48/445,847.60
  6. Step 6: Final answer
    x = 336,390.85

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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.