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Finding the Fourth Proportional to 299,543.52, 449,314.44 and 122,008.80

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Solution

The fourth proportional to 299,543.52, 449,314.44 and 122,008.80 is: 183,012.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,543.52 : 449,314.44 = 122,008.80 : x
  2. Step 2: Convert to fraction form
    299,543.52/449,314.44 = 122,008.80/x
  3. Step 3: Cross multiply
    299,543.52x = 449,314.44 × 122,008.80
  4. Step 4: Simplify right side
    299,543.52x = 54,820,315,647.07
  5. Step 5: Solve for x
    x = 54,820,315,647.07/299,543.52
  6. Step 6: Final answer
    x = 183,012.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.