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Finding the Fourth Proportional to 566,722.27, 782,017.27 and 321,628.98

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Solution

The fourth proportional to 566,722.27, 782,017.27 and 321,628.98 is: 443,814.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,722.27 : 782,017.27 = 321,628.98 : x
  2. Step 2: Convert to fraction form
    566,722.27/782,017.27 = 321,628.98/x
  3. Step 3: Cross multiply
    566,722.27x = 782,017.27 × 321,628.98
  4. Step 4: Simplify right side
    566,722.27x = 251,519,414,361.96
  5. Step 5: Solve for x
    x = 251,519,414,361.96/566,722.27
  6. Step 6: Final answer
    x = 443,814.24

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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.