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Finding the Fourth Proportional to 700,650.80, 966,698.09 and 394,620.24

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Solution

The fourth proportional to 700,650.80, 966,698.09 and 394,620.24 is: 544,463.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,650.80 : 966,698.09 = 394,620.24 : x
  2. Step 2: Convert to fraction form
    700,650.80/966,698.09 = 394,620.24/x
  3. Step 3: Cross multiply
    700,650.80x = 966,698.09 × 394,620.24
  4. Step 4: Simplify right side
    700,650.80x = 381,478,630,310.24
  5. Step 5: Solve for x
    x = 381,478,630,310.24/700,650.80
  6. Step 6: Final answer
    x = 544,463.28

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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.