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Finding the Fourth Proportional to 565.86, 780.96 and 333

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Solution

The fourth proportional to 565.86, 780.96 and 333 is: 459.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    565.86 : 780.96 = 333 : x
  2. Step 2: Convert to fraction form
    565.86/780.96 = 333/x
  3. Step 3: Cross multiply
    565.86x = 780.96 × 333
  4. Step 4: Simplify right side
    565.86x = 260,059.68
  5. Step 5: Solve for x
    x = 260,059.68/565.86
  6. Step 6: Final answer
    x = 459.58

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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.