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Finding the Fourth Proportional to 995.54, 1,491.59 and 533.53

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Solution

The fourth proportional to 995.54, 1,491.59 and 533.53 is: 799.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    995.54 : 1,491.59 = 533.53 : x
  2. Step 2: Convert to fraction form
    995.54/1,491.59 = 533.53/x
  3. Step 3: Cross multiply
    995.54x = 1,491.59 × 533.53
  4. Step 4: Simplify right side
    995.54x = 795,811.21
  5. Step 5: Solve for x
    x = 795,811.21/995.54
  6. Step 6: Final answer
    x = 799.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.