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Finding the Fourth Proportional to 967,489.28, 1,334,670.72 and 833,120

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Solution

The fourth proportional to 967,489.28, 1,334,670.72 and 833,120 is: 1,149,305.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,489.28 : 1,334,670.72 = 833,120 : x
  2. Step 2: Convert to fraction form
    967,489.28/1,334,670.72 = 833,120/x
  3. Step 3: Cross multiply
    967,489.28x = 1,334,670.72 × 833,120
  4. Step 4: Simplify right side
    967,489.28x = 1,111,940,870,246.40
  5. Step 5: Solve for x
    x = 1,111,940,870,246.40/967,489.28
  6. Step 6: Final answer
    x = 1,149,305.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.