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Finding the Fourth Proportional to 568.30, 852.58 and 260.24

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Solution

The fourth proportional to 568.30, 852.58 and 260.24 is: 390.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.30 : 852.58 = 260.24 : x
  2. Step 2: Convert to fraction form
    568.30/852.58 = 260.24/x
  3. Step 3: Cross multiply
    568.30x = 852.58 × 260.24
  4. Step 4: Simplify right side
    568.30x = 221,875.42
  5. Step 5: Solve for x
    x = 221,875.42/568.30
  6. Step 6: Final answer
    x = 390.42

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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.