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Finding the Fourth Proportional to 196,830.60, 295,245.90 and 191,646.60

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Solution

The fourth proportional to 196,830.60, 295,245.90 and 191,646.60 is: 287,469.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,830.60 : 295,245.90 = 191,646.60 : x
  2. Step 2: Convert to fraction form
    196,830.60/295,245.90 = 191,646.60/x
  3. Step 3: Cross multiply
    196,830.60x = 295,245.90 × 191,646.60
  4. Step 4: Simplify right side
    196,830.60x = 56,582,872,898.94
  5. Step 5: Solve for x
    x = 56,582,872,898.94/196,830.60
  6. Step 6: Final answer
    x = 287,469.90

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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.