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Finding the Fourth Proportional to 594.30, 820.16 and 332.31

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Solution

The fourth proportional to 594.30, 820.16 and 332.31 is: 458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    594.30 : 820.16 = 332.31 : x
  2. Step 2: Convert to fraction form
    594.30/820.16 = 332.31/x
  3. Step 3: Cross multiply
    594.30x = 820.16 × 332.31
  4. Step 4: Simplify right side
    594.30x = 272,547.37
  5. Step 5: Solve for x
    x = 272,547.37/594.30
  6. Step 6: Final answer
    x = 458.60

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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.