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Finding the Fourth Proportional to 568.44, 852.51 and 260.10

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Solution

The fourth proportional to 568.44, 852.51 and 260.10 is: 390.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    568.44 : 852.51 = 260.10 : x
  2. Step 2: Convert to fraction form
    568.44/852.51 = 260.10/x
  3. Step 3: Cross multiply
    568.44x = 852.51 × 260.10
  4. Step 4: Simplify right side
    568.44x = 221,737.85
  5. Step 5: Solve for x
    x = 221,737.85/568.44
  6. Step 6: Final answer
    x = 390.08

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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.