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Finding the Fourth Proportional to 299,962.80, 449,438.76 and 181,271.88

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Solution

The fourth proportional to 299,962.80, 449,438.76 and 181,271.88 is: 271,602.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,962.80 : 449,438.76 = 181,271.88 : x
  2. Step 2: Convert to fraction form
    299,962.80/449,438.76 = 181,271.88/x
  3. Step 3: Cross multiply
    299,962.80x = 449,438.76 × 181,271.88
  4. Step 4: Simplify right side
    299,962.80x = 81,470,608,970.07
  5. Step 5: Solve for x
    x = 81,470,608,970.07/299,962.80
  6. Step 6: Final answer
    x = 271,602.38

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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.