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Finding the Fourth Proportional to 360,098.72, 496,930.40 and 196,751.72

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Solution

The fourth proportional to 360,098.72, 496,930.40 and 196,751.72 is: 271,514.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,098.72 : 496,930.40 = 196,751.72 : x
  2. Step 2: Convert to fraction form
    360,098.72/496,930.40 = 196,751.72/x
  3. Step 3: Cross multiply
    360,098.72x = 496,930.40 × 196,751.72
  4. Step 4: Simplify right side
    360,098.72x = 97,771,907,451.88
  5. Step 5: Solve for x
    x = 97,771,907,451.88/360,098.72
  6. Step 6: Final answer
    x = 271,514.18

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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.