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Finding the Fourth Proportional to 294,930, 442,396.62 and 73,314

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Solution

The fourth proportional to 294,930, 442,396.62 and 73,314 is: 109,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,930 : 442,396.62 = 73,314 : x
  2. Step 2: Convert to fraction form
    294,930/442,396.62 = 73,314/x
  3. Step 3: Cross multiply
    294,930x = 442,396.62 × 73,314
  4. Step 4: Simplify right side
    294,930x = 32,433,865,798.68
  5. Step 5: Solve for x
    x = 32,433,865,798.68/294,930
  6. Step 6: Final answer
    x = 109,971.40

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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.