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Finding the Fourth Proportional to 568.68, 784.59 and 332.52

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Solution

The fourth proportional to 568.68, 784.59 and 332.52 is: 458.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.68 : 784.59 = 332.52 : x
  2. Step 2: Convert to fraction form
    568.68/784.59 = 332.52/x
  3. Step 3: Cross multiply
    568.68x = 784.59 × 332.52
  4. Step 4: Simplify right side
    568.68x = 260,891.87
  5. Step 5: Solve for x
    x = 260,891.87/568.68
  6. Step 6: Final answer
    x = 458.77

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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.