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Finding the Fourth Proportional to 700,633.57, 966,877.28 and 394,713.62

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Solution

The fourth proportional to 700,633.57, 966,877.28 and 394,713.62 is: 544,706.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,633.57 : 966,877.28 = 394,713.62 : x
  2. Step 2: Convert to fraction form
    700,633.57/966,877.28 = 394,713.62/x
  3. Step 3: Cross multiply
    700,633.57x = 966,877.28 × 394,713.62
  4. Step 4: Simplify right side
    700,633.57x = 381,639,631,284.55
  5. Step 5: Solve for x
    x = 381,639,631,284.55/700,633.57
  6. Step 6: Final answer
    x = 544,706.46

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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.