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Finding the Fourth Proportional to 975.59, 1,346.26 and 533.41

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Solution

The fourth proportional to 975.59, 1,346.26 and 533.41 is: 736.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    975.59 : 1,346.26 = 533.41 : x
  2. Step 2: Convert to fraction form
    975.59/1,346.26 = 533.41/x
  3. Step 3: Cross multiply
    975.59x = 1,346.26 × 533.41
  4. Step 4: Simplify right side
    975.59x = 718,108.55
  5. Step 5: Solve for x
    x = 718,108.55/975.59
  6. Step 6: Final answer
    x = 736.08

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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.