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Finding the Fourth Proportional to 529.86, 793.85 and 452.03

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Solution

The fourth proportional to 529.86, 793.85 and 452.03 is: 677.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    529.86 : 793.85 = 452.03 : x
  2. Step 2: Convert to fraction form
    529.86/793.85 = 452.03/x
  3. Step 3: Cross multiply
    529.86x = 793.85 × 452.03
  4. Step 4: Simplify right side
    529.86x = 358,846.92
  5. Step 5: Solve for x
    x = 358,846.92/529.86
  6. Step 6: Final answer
    x = 677.25

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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.