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Finding the Fourth Proportional to 355,247.46, 490,226.13 and 194,094.90

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Solution

The fourth proportional to 355,247.46, 490,226.13 and 194,094.90 is: 267,842.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,247.46 : 490,226.13 = 194,094.90 : x
  2. Step 2: Convert to fraction form
    355,247.46/490,226.13 = 194,094.90/x
  3. Step 3: Cross multiply
    355,247.46x = 490,226.13 × 194,094.90
  4. Step 4: Simplify right side
    355,247.46x = 95,150,391,679.74
  5. Step 5: Solve for x
    x = 95,150,391,679.74/355,247.46
  6. Step 6: Final answer
    x = 267,842.57

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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.