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Finding the Fourth Proportional to 262,246.61, 393,370.39 and 112,389.73

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Solution

The fourth proportional to 262,246.61, 393,370.39 and 112,389.73 is: 168,584.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,246.61 : 393,370.39 = 112,389.73 : x
  2. Step 2: Convert to fraction form
    262,246.61/393,370.39 = 112,389.73/x
  3. Step 3: Cross multiply
    262,246.61x = 393,370.39 × 112,389.73
  4. Step 4: Simplify right side
    262,246.61x = 44,210,791,079.16
  5. Step 5: Solve for x
    x = 44,210,791,079.16/262,246.61
  6. Step 6: Final answer
    x = 168,584.79

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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.