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Finding the Fourth Proportional to 262,369.70, 393,425.15 and 110,539.05

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Solution

The fourth proportional to 262,369.70, 393,425.15 and 110,539.05 is: 165,754.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,369.70 : 393,425.15 = 110,539.05 : x
  2. Step 2: Convert to fraction form
    262,369.70/393,425.15 = 110,539.05/x
  3. Step 3: Cross multiply
    262,369.70x = 393,425.15 × 110,539.05
  4. Step 4: Simplify right side
    262,369.70x = 43,488,841,774.41
  5. Step 5: Solve for x
    x = 43,488,841,774.41/262,369.70
  6. Step 6: Final answer
    x = 165,754.06

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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.