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Finding the Fourth Proportional to 297,967.42, 411,203.10 and 162,010.54

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Solution

The fourth proportional to 297,967.42, 411,203.10 and 162,010.54 is: 223,578.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,967.42 : 411,203.10 = 162,010.54 : x
  2. Step 2: Convert to fraction form
    297,967.42/411,203.10 = 162,010.54/x
  3. Step 3: Cross multiply
    297,967.42x = 411,203.10 × 162,010.54
  4. Step 4: Simplify right side
    297,967.42x = 66,619,236,280.67
  5. Step 5: Solve for x
    x = 66,619,236,280.67/297,967.42
  6. Step 6: Final answer
    x = 223,578.93

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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.