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Finding the Fourth Proportional to 438,361.72, 604,933.20 and 244,772.41

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Solution

The fourth proportional to 438,361.72, 604,933.20 and 244,772.41 is: 337,782.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,361.72 : 604,933.20 = 244,772.41 : x
  2. Step 2: Convert to fraction form
    438,361.72/604,933.20 = 244,772.41/x
  3. Step 3: Cross multiply
    438,361.72x = 604,933.20 × 244,772.41
  4. Step 4: Simplify right side
    438,361.72x = 148,070,957,253.01
  5. Step 5: Solve for x
    x = 148,070,957,253.01/438,361.72
  6. Step 6: Final answer
    x = 337,782.59

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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.