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Finding the Fourth Proportional to 370,608.05, 511,493.96 and 234,654.64

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Solution

The fourth proportional to 370,608.05, 511,493.96 and 234,654.64 is: 323,858.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,608.05 : 511,493.96 = 234,654.64 : x
  2. Step 2: Convert to fraction form
    370,608.05/511,493.96 = 234,654.64/x
  3. Step 3: Cross multiply
    370,608.05x = 511,493.96 × 234,654.64
  4. Step 4: Simplify right side
    370,608.05x = 120,024,427,315.23
  5. Step 5: Solve for x
    x = 120,024,427,315.23/370,608.05
  6. Step 6: Final answer
    x = 323,858.12

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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.