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Finding the Fourth Proportional to 700,728.23, 966,941.52 and 394,854.41

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Solution

The fourth proportional to 700,728.23, 966,941.52 and 394,854.41 is: 544,863.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,728.23 : 966,941.52 = 394,854.41 : x
  2. Step 2: Convert to fraction form
    700,728.23/966,941.52 = 394,854.41/x
  3. Step 3: Cross multiply
    700,728.23x = 966,941.52 × 394,854.41
  4. Step 4: Simplify right side
    700,728.23x = 381,801,123,384.10
  5. Step 5: Solve for x
    x = 381,801,123,384.10/700,728.23
  6. Step 6: Final answer
    x = 544,863.34

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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.