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Finding the Fourth Proportional to 262,495.56, 393,805.62 and 85,002.27

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Solution

The fourth proportional to 262,495.56, 393,805.62 and 85,002.27 is: 127,523.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,495.56 : 393,805.62 = 85,002.27 : x
  2. Step 2: Convert to fraction form
    262,495.56/393,805.62 = 85,002.27/x
  3. Step 3: Cross multiply
    262,495.56x = 393,805.62 × 85,002.27
  4. Step 4: Simplify right side
    262,495.56x = 33,474,371,638.76
  5. Step 5: Solve for x
    x = 33,474,371,638.76/262,495.56
  6. Step 6: Final answer
    x = 127,523.57

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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.