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Finding the Fourth Proportional to 355,082.50, 490,013.83 and 193,937.93

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Solution

The fourth proportional to 355,082.50, 490,013.83 and 193,937.93 is: 267,634.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,082.50 : 490,013.83 = 193,937.93 : x
  2. Step 2: Convert to fraction form
    355,082.50/490,013.83 = 193,937.93/x
  3. Step 3: Cross multiply
    355,082.50x = 490,013.83 × 193,937.93
  4. Step 4: Simplify right side
    355,082.50x = 95,032,267,861.57
  5. Step 5: Solve for x
    x = 95,032,267,861.57/355,082.50
  6. Step 6: Final answer
    x = 267,634.33

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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.