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Finding the Fourth Proportional to 777,967.44, 1,073,680.92 and 451,352.40

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Solution

The fourth proportional to 777,967.44, 1,073,680.92 and 451,352.40 is: 622,916.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,967.44 : 1,073,680.92 = 451,352.40 : x
  2. Step 2: Convert to fraction form
    777,967.44/1,073,680.92 = 451,352.40/x
  3. Step 3: Cross multiply
    777,967.44x = 1,073,680.92 × 451,352.40
  4. Step 4: Simplify right side
    777,967.44x = 484,608,460,076.21
  5. Step 5: Solve for x
    x = 484,608,460,076.21/777,967.44
  6. Step 6: Final answer
    x = 622,916.12

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1.5x scale

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.