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Finding the Fourth Proportional to 583.82, 874.19 and 352.40

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Solution

The fourth proportional to 583.82, 874.19 and 352.40 is: 527.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    583.82 : 874.19 = 352.40 : x
  2. Step 2: Convert to fraction form
    583.82/874.19 = 352.40/x
  3. Step 3: Cross multiply
    583.82x = 874.19 × 352.40
  4. Step 4: Simplify right side
    583.82x = 308,062.79
  5. Step 5: Solve for x
    x = 308,062.79/583.82
  6. Step 6: Final answer
    x = 527.67

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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.