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Finding the Fourth Proportional to 792.24, 1,093.52 and 526.72

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Solution

The fourth proportional to 792.24, 1,093.52 and 526.72 is: 727.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    792.24 : 1,093.52 = 526.72 : x
  2. Step 2: Convert to fraction form
    792.24/1,093.52 = 526.72/x
  3. Step 3: Cross multiply
    792.24x = 1,093.52 × 526.72
  4. Step 4: Simplify right side
    792.24x = 575,978.85
  5. Step 5: Solve for x
    x = 575,978.85/792.24
  6. Step 6: Final answer
    x = 727.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.