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Finding the Fourth Proportional to 196,455.30, 294,245.55 and 170,211.30

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Solution

The fourth proportional to 196,455.30, 294,245.55 and 170,211.30 is: 254,937.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,455.30 : 294,245.55 = 170,211.30 : x
  2. Step 2: Convert to fraction form
    196,455.30/294,245.55 = 170,211.30/x
  3. Step 3: Cross multiply
    196,455.30x = 294,245.55 × 170,211.30
  4. Step 4: Simplify right side
    196,455.30x = 50,083,917,584.72
  5. Step 5: Solve for x
    x = 50,083,917,584.72/196,455.30
  6. Step 6: Final answer
    x = 254,937.98

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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.