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Finding the Fourth Proportional to 651.96, 977.46 and 469.26

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Solution

The fourth proportional to 651.96, 977.46 and 469.26 is: 703.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    651.96 : 977.46 = 469.26 : x
  2. Step 2: Convert to fraction form
    651.96/977.46 = 469.26/x
  3. Step 3: Cross multiply
    651.96x = 977.46 × 469.26
  4. Step 4: Simplify right side
    651.96x = 458,682.88
  5. Step 5: Solve for x
    x = 458,682.88/651.96
  6. Step 6: Final answer
    x = 703.54

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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.