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Finding the Fourth Proportional to 321,047.01, 481,127.63 and 242,074.44

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Solution

The fourth proportional to 321,047.01, 481,127.63 and 242,074.44 is: 362,777.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,047.01 : 481,127.63 = 242,074.44 : x
  2. Step 2: Convert to fraction form
    321,047.01/481,127.63 = 242,074.44/x
  3. Step 3: Cross multiply
    321,047.01x = 481,127.63 × 242,074.44
  4. Step 4: Simplify right side
    321,047.01x = 116,468,700,390.41
  5. Step 5: Solve for x
    x = 116,468,700,390.41/321,047.01
  6. Step 6: Final answer
    x = 362,777.71

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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.