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Finding the Fourth Proportional to 294,740.32, 442,163.94 and 168,522.88

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Solution

The fourth proportional to 294,740.32, 442,163.94 and 168,522.88 is: 252,814.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,740.32 : 442,163.94 = 168,522.88 : x
  2. Step 2: Convert to fraction form
    294,740.32/442,163.94 = 168,522.88/x
  3. Step 3: Cross multiply
    294,740.32x = 442,163.94 × 168,522.88
  4. Step 4: Simplify right side
    294,740.32x = 74,514,740,600.95
  5. Step 5: Solve for x
    x = 74,514,740,600.95/294,740.32
  6. Step 6: Final answer
    x = 252,814.89

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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.