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Finding the Fourth Proportional to 298,243.01, 411,577.07 and 162,277.90

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Solution

The fourth proportional to 298,243.01, 411,577.07 and 162,277.90 is: 223,944.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,243.01 : 411,577.07 = 162,277.90 : x
  2. Step 2: Convert to fraction form
    298,243.01/411,577.07 = 162,277.90/x
  3. Step 3: Cross multiply
    298,243.01x = 411,577.07 × 162,277.90
  4. Step 4: Simplify right side
    298,243.01x = 66,789,860,767.42
  5. Step 5: Solve for x
    x = 66,789,860,767.42/298,243.01
  6. Step 6: Final answer
    x = 223,944.43

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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.