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Finding the Fourth Proportional to 975.37, 1,346 and 533.27

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Solution

The fourth proportional to 975.37, 1,346 and 533.27 is: 735.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    975.37 : 1,346 = 533.27 : x
  2. Step 2: Convert to fraction form
    975.37/1,346 = 533.27/x
  3. Step 3: Cross multiply
    975.37x = 1,346 × 533.27
  4. Step 4: Simplify right side
    975.37x = 717,781.42
  5. Step 5: Solve for x
    x = 717,781.42/975.37
  6. Step 6: Final answer
    x = 735.91

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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.