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Finding the Fourth Proportional to 273,272.44, 407,191.96 and 243,461.20

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Solution

The fourth proportional to 273,272.44, 407,191.96 and 243,461.20 is: 362,771.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,272.44 : 407,191.96 = 243,461.20 : x
  2. Step 2: Convert to fraction form
    273,272.44/407,191.96 = 243,461.20/x
  3. Step 3: Cross multiply
    273,272.44x = 407,191.96 × 243,461.20
  4. Step 4: Simplify right side
    273,272.44x = 99,135,443,211.95
  5. Step 5: Solve for x
    x = 99,135,443,211.95/273,272.44
  6. Step 6: Final answer
    x = 362,771.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.