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Finding the Fourth Proportional to 467.37, 701.10 and 390.42

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Solution

The fourth proportional to 467.37, 701.10 and 390.42 is: 585.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.37 : 701.10 = 390.42 : x
  2. Step 2: Convert to fraction form
    467.37/701.10 = 390.42/x
  3. Step 3: Cross multiply
    467.37x = 701.10 × 390.42
  4. Step 4: Simplify right side
    467.37x = 273,723.46
  5. Step 5: Solve for x
    x = 273,723.46/467.37
  6. Step 6: Final answer
    x = 585.67

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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.