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Finding the Fourth Proportional to 399,017.75, 594,181.27 and 394,600.01

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Solution

The fourth proportional to 399,017.75, 594,181.27 and 394,600.01 is: 587,602.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,017.75 : 594,181.27 = 394,600.01 : x
  2. Step 2: Convert to fraction form
    399,017.75/594,181.27 = 394,600.01/x
  3. Step 3: Cross multiply
    399,017.75x = 594,181.27 × 394,600.01
  4. Step 4: Simplify right side
    399,017.75x = 234,463,932,606.16
  5. Step 5: Solve for x
    x = 234,463,932,606.16/399,017.75
  6. Step 6: Final answer
    x = 587,602.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.