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Finding the Fourth Proportional to 575.40, 862.70 and 467.67

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Solution

The fourth proportional to 575.40, 862.70 and 467.67 is: 701.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    575.40 : 862.70 = 467.67 : x
  2. Step 2: Convert to fraction form
    575.40/862.70 = 467.67/x
  3. Step 3: Cross multiply
    575.40x = 862.70 × 467.67
  4. Step 4: Simplify right side
    575.40x = 403,462.44
  5. Step 5: Solve for x
    x = 403,462.44/575.40
  6. Step 6: Final answer
    x = 701.18

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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.