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Finding the Fourth Proportional to 368,851.80, 552,500.10 and 329,453.40

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Solution

The fourth proportional to 368,851.80, 552,500.10 and 329,453.40 is: 493,485.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,851.80 : 552,500.10 = 329,453.40 : x
  2. Step 2: Convert to fraction form
    368,851.80/552,500.10 = 329,453.40/x
  3. Step 3: Cross multiply
    368,851.80x = 552,500.10 × 329,453.40
  4. Step 4: Simplify right side
    368,851.80x = 182,023,036,445.34
  5. Step 5: Solve for x
    x = 182,023,036,445.34/368,851.80
  6. Step 6: Final answer
    x = 493,485.56

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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.