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Finding the Fourth Proportional to 361,847.16, 499,284.60 and 218,511.12

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Solution

The fourth proportional to 361,847.16, 499,284.60 and 218,511.12 is: 301,506.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,847.16 : 499,284.60 = 218,511.12 : x
  2. Step 2: Convert to fraction form
    361,847.16/499,284.60 = 218,511.12/x
  3. Step 3: Cross multiply
    361,847.16x = 499,284.60 × 218,511.12
  4. Step 4: Simplify right side
    361,847.16x = 109,099,237,144.75
  5. Step 5: Solve for x
    x = 109,099,237,144.75/361,847.16
  6. Step 6: Final answer
    x = 301,506.41

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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.