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Finding the Fourth Proportional to 952.93, 1,315 and 533.28

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Solution

The fourth proportional to 952.93, 1,315 and 533.28 is: 735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.93 : 1,315 = 533.28 : x
  2. Step 2: Convert to fraction form
    952.93/1,315 = 533.28/x
  3. Step 3: Cross multiply
    952.93x = 1,315 × 533.28
  4. Step 4: Simplify right side
    952.93x = 701,263.20
  5. Step 5: Solve for x
    x = 701,263.20/952.93
  6. Step 6: Final answer
    x = 735.90

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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.