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Finding the Fourth Proportional to 355,325.46, 490,350.42 and 194,182.98

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Solution

The fourth proportional to 355,325.46, 490,350.42 and 194,182.98 is: 267,973.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,325.46 : 490,350.42 = 194,182.98 : x
  2. Step 2: Convert to fraction form
    355,325.46/490,350.42 = 194,182.98/x
  3. Step 3: Cross multiply
    355,325.46x = 490,350.42 × 194,182.98
  4. Step 4: Simplify right side
    355,325.46x = 95,217,705,799.85
  5. Step 5: Solve for x
    x = 95,217,705,799.85/355,325.46
  6. Step 6: Final answer
    x = 267,973.21

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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.