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Finding the Fourth Proportional to 735.32, 1,014.46 and 459.48

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Solution

The fourth proportional to 735.32, 1,014.46 and 459.48 is: 633.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    735.32 : 1,014.46 = 459.48 : x
  2. Step 2: Convert to fraction form
    735.32/1,014.46 = 459.48/x
  3. Step 3: Cross multiply
    735.32x = 1,014.46 × 459.48
  4. Step 4: Simplify right side
    735.32x = 466,124.08
  5. Step 5: Solve for x
    x = 466,124.08/735.32
  6. Step 6: Final answer
    x = 633.91

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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.