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Finding the Fourth Proportional to 567.86, 852.03 and 259.74

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Solution

The fourth proportional to 567.86, 852.03 and 259.74 is: 389.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.86 : 852.03 = 259.74 : x
  2. Step 2: Convert to fraction form
    567.86/852.03 = 259.74/x
  3. Step 3: Cross multiply
    567.86x = 852.03 × 259.74
  4. Step 4: Simplify right side
    567.86x = 221,306.27
  5. Step 5: Solve for x
    x = 221,306.27/567.86
  6. Step 6: Final answer
    x = 389.72

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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.