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Finding the Fourth Proportional to 565.72, 847.38 and 559.24

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Solution

The fourth proportional to 565.72, 847.38 and 559.24 is: 837.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    565.72 : 847.38 = 559.24 : x
  2. Step 2: Convert to fraction form
    565.72/847.38 = 559.24/x
  3. Step 3: Cross multiply
    565.72x = 847.38 × 559.24
  4. Step 4: Simplify right side
    565.72x = 473,888.79
  5. Step 5: Solve for x
    x = 473,888.79/565.72
  6. Step 6: Final answer
    x = 837.67

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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.