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Finding the Fourth Proportional to 323,263.91, 484,392.95 and 123,475.25

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Solution

The fourth proportional to 323,263.91, 484,392.95 and 123,475.25 is: 185,020.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,263.91 : 484,392.95 = 123,475.25 : x
  2. Step 2: Convert to fraction form
    323,263.91/484,392.95 = 123,475.25/x
  3. Step 3: Cross multiply
    323,263.91x = 484,392.95 × 123,475.25
  4. Step 4: Simplify right side
    323,263.91x = 59,810,540,599.49
  5. Step 5: Solve for x
    x = 59,810,540,599.49/323,263.91
  6. Step 6: Final answer
    x = 185,020.78

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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.