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Finding the Fourth Proportional to 929.41, 1,394.30 and 467.29

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Solution

The fourth proportional to 929.41, 1,394.30 and 467.29 is: 701.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    929.41 : 1,394.30 = 467.29 : x
  2. Step 2: Convert to fraction form
    929.41/1,394.30 = 467.29/x
  3. Step 3: Cross multiply
    929.41x = 1,394.30 × 467.29
  4. Step 4: Simplify right side
    929.41x = 651,542.45
  5. Step 5: Solve for x
    x = 651,542.45/929.41
  6. Step 6: Final answer
    x = 701.03

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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.