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Finding the Fourth Proportional to 262,488.56, 393,690.72 and 93,977.60

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Solution

The fourth proportional to 262,488.56, 393,690.72 and 93,977.60 is: 140,951.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,488.56 : 393,690.72 = 93,977.60 : x
  2. Step 2: Convert to fraction form
    262,488.56/393,690.72 = 93,977.60/x
  3. Step 3: Cross multiply
    262,488.56x = 393,690.72 × 93,977.60
  4. Step 4: Simplify right side
    262,488.56x = 36,998,109,007.87
  5. Step 5: Solve for x
    x = 36,998,109,007.87/262,488.56
  6. Step 6: Final answer
    x = 140,951.32

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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.