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Finding the Fourth Proportional to 531.68, 796.08 and 526.64

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Solution

The fourth proportional to 531.68, 796.08 and 526.64 is: 788.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    531.68 : 796.08 = 526.64 : x
  2. Step 2: Convert to fraction form
    531.68/796.08 = 526.64/x
  3. Step 3: Cross multiply
    531.68x = 796.08 × 526.64
  4. Step 4: Simplify right side
    531.68x = 419,247.57
  5. Step 5: Solve for x
    x = 419,247.57/531.68
  6. Step 6: Final answer
    x = 788.53

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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.