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Finding the Fourth Proportional to 647,703.96, 970,596.39 and 262,984.98

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Solution

The fourth proportional to 647,703.96, 970,596.39 and 262,984.98 is: 394,087.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,703.96 : 970,596.39 = 262,984.98 : x
  2. Step 2: Convert to fraction form
    647,703.96/970,596.39 = 262,984.98/x
  3. Step 3: Cross multiply
    647,703.96x = 970,596.39 × 262,984.98
  4. Step 4: Simplify right side
    647,703.96x = 255,252,272,212.22
  5. Step 5: Solve for x
    x = 255,252,272,212.22/647,703.96
  6. Step 6: Final answer
    x = 394,087.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.