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Finding the Fourth Proportional to 323,559.36, 485,426.52 and 98,927.73

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Solution

The fourth proportional to 323,559.36, 485,426.52 and 98,927.73 is: 148,418.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,559.36 : 485,426.52 = 98,927.73 : x
  2. Step 2: Convert to fraction form
    323,559.36/485,426.52 = 98,927.73/x
  3. Step 3: Cross multiply
    323,559.36x = 485,426.52 × 98,927.73
  4. Step 4: Simplify right side
    323,559.36x = 48,022,143,705.40
  5. Step 5: Solve for x
    x = 48,022,143,705.40/323,559.36
  6. Step 6: Final answer
    x = 148,418.34

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1.5x scale

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.