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Finding the Fourth Proportional to 297,860.48, 411,050.20 and 161,894.73

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Solution

The fourth proportional to 297,860.48, 411,050.20 and 161,894.73 is: 223,416.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,860.48 : 411,050.20 = 161,894.73 : x
  2. Step 2: Convert to fraction form
    297,860.48/411,050.20 = 161,894.73/x
  3. Step 3: Cross multiply
    297,860.48x = 411,050.20 × 161,894.73
  4. Step 4: Simplify right side
    297,860.48x = 66,546,861,145.45
  5. Step 5: Solve for x
    x = 66,546,861,145.45/297,860.48
  6. Step 6: Final answer
    x = 223,416.22

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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.