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Finding the Fourth Proportional to 619,503.12, 929,351.88 and 264,519

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Solution

The fourth proportional to 619,503.12, 929,351.88 and 264,519 is: 396,820.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,503.12 : 929,351.88 = 264,519 : x
  2. Step 2: Convert to fraction form
    619,503.12/929,351.88 = 264,519/x
  3. Step 3: Cross multiply
    619,503.12x = 929,351.88 × 264,519
  4. Step 4: Simplify right side
    619,503.12x = 245,831,229,945.72
  5. Step 5: Solve for x
    x = 245,831,229,945.72/619,503.12
  6. Step 6: Final answer
    x = 396,820.00

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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.