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Finding the Fourth Proportional to 262,368.20, 393,422.90 and 110,537.55

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Solution

The fourth proportional to 262,368.20, 393,422.90 and 110,537.55 is: 165,751.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,368.20 : 393,422.90 = 110,537.55 : x
  2. Step 2: Convert to fraction form
    262,368.20/393,422.90 = 110,537.55/x
  3. Step 3: Cross multiply
    262,368.20x = 393,422.90 × 110,537.55
  4. Step 4: Simplify right side
    262,368.20x = 43,488,002,927.21
  5. Step 5: Solve for x
    x = 43,488,002,927.21/262,368.20
  6. Step 6: Final answer
    x = 165,751.81

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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.