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Finding the Fourth Proportional to 594.12, 819.93 and 328.58

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Solution

The fourth proportional to 594.12, 819.93 and 328.58 is: 453.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.12 : 819.93 = 328.58 : x
  2. Step 2: Convert to fraction form
    594.12/819.93 = 328.58/x
  3. Step 3: Cross multiply
    594.12x = 819.93 × 328.58
  4. Step 4: Simplify right side
    594.12x = 269,417.42
  5. Step 5: Solve for x
    x = 269,417.42/594.12
  6. Step 6: Final answer
    x = 453.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.