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Finding the Fourth Proportional to 529.47, 794.46 and 323.92

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Solution

The fourth proportional to 529.47, 794.46 and 323.92 is: 486.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.47 : 794.46 = 323.92 : x
  2. Step 2: Convert to fraction form
    529.47/794.46 = 323.92/x
  3. Step 3: Cross multiply
    529.47x = 794.46 × 323.92
  4. Step 4: Simplify right side
    529.47x = 257,341.48
  5. Step 5: Solve for x
    x = 257,341.48/529.47
  6. Step 6: Final answer
    x = 486.04

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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.