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Finding the Fourth Proportional to 323,596.01, 485,612.72 and 113,235.77

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Solution

The fourth proportional to 323,596.01, 485,612.72 and 113,235.77 is: 169,930.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,596.01 : 485,612.72 = 113,235.77 : x
  2. Step 2: Convert to fraction form
    323,596.01/485,612.72 = 113,235.77/x
  3. Step 3: Cross multiply
    323,596.01x = 485,612.72 × 113,235.77
  4. Step 4: Simplify right side
    323,596.01x = 54,988,729,704.82
  5. Step 5: Solve for x
    x = 54,988,729,704.82/323,596.01
  6. Step 6: Final answer
    x = 169,930.18

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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.