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Finding the Fourth Proportional to 437,924.44, 604,539.17 and 256,611.21

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Solution

The fourth proportional to 437,924.44, 604,539.17 and 256,611.21 is: 354,242.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,924.44 : 604,539.17 = 256,611.21 : x
  2. Step 2: Convert to fraction form
    437,924.44/604,539.17 = 256,611.21/x
  3. Step 3: Cross multiply
    437,924.44x = 604,539.17 × 256,611.21
  4. Step 4: Simplify right side
    437,924.44x = 155,131,527,906.10
  5. Step 5: Solve for x
    x = 155,131,527,906.10/437,924.44
  6. Step 6: Final answer
    x = 354,242.68

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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.