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Finding the Fourth Proportional to 323,848.95, 485,773.43 and 245,116.95

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Solution

The fourth proportional to 323,848.95, 485,773.43 and 245,116.95 is: 367,675.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,848.95 : 485,773.43 = 245,116.95 : x
  2. Step 2: Convert to fraction form
    323,848.95/485,773.43 = 245,116.95/x
  3. Step 3: Cross multiply
    323,848.95x = 485,773.43 × 245,116.95
  4. Step 4: Simplify right side
    323,848.95x = 119,071,300,327.05
  5. Step 5: Solve for x
    x = 119,071,300,327.05/323,848.95
  6. Step 6: Final answer
    x = 367,675.43

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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.