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Finding the Fourth Proportional to 594.02, 819.67 and 345.25

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Solution

The fourth proportional to 594.02, 819.67 and 345.25 is: 476.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.02 : 819.67 = 345.25 : x
  2. Step 2: Convert to fraction form
    594.02/819.67 = 345.25/x
  3. Step 3: Cross multiply
    594.02x = 819.67 × 345.25
  4. Step 4: Simplify right side
    594.02x = 282,987.27
  5. Step 5: Solve for x
    x = 282,987.27/594.02
  6. Step 6: Final answer
    x = 476.40

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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.