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Finding the Fourth Proportional to 427,745.63, 590,351.15 and 246,422.27

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Solution

The fourth proportional to 427,745.63, 590,351.15 and 246,422.27 is: 340,098.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,745.63 : 590,351.15 = 246,422.27 : x
  2. Step 2: Convert to fraction form
    427,745.63/590,351.15 = 246,422.27/x
  3. Step 3: Cross multiply
    427,745.63x = 590,351.15 × 246,422.27
  4. Step 4: Simplify right side
    427,745.63x = 145,475,670,480.11
  5. Step 5: Solve for x
    x = 145,475,670,480.11/427,745.63
  6. Step 6: Final answer
    x = 340,098.55

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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.