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Finding the Fourth Proportional to 264,450, 396,675.03 and 67,458

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Solution

The fourth proportional to 264,450, 396,675.03 and 67,458 is: 101,187.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,450 : 396,675.03 = 67,458 : x
  2. Step 2: Convert to fraction form
    264,450/396,675.03 = 67,458/x
  3. Step 3: Cross multiply
    264,450x = 396,675.03 × 67,458
  4. Step 4: Simplify right side
    264,450x = 26,758,904,173.74
  5. Step 5: Solve for x
    x = 26,758,904,173.74/264,450
  6. Step 6: Final answer
    x = 101,187.01

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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.