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Finding the Fourth Proportional to 1,573.54, 2,360.22 and 533.20

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Solution

The fourth proportional to 1,573.54, 2,360.22 and 533.20 is: 799.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573.54 : 2,360.22 = 533.20 : x
  2. Step 2: Convert to fraction form
    1,573.54/2,360.22 = 533.20/x
  3. Step 3: Cross multiply
    1,573.54x = 2,360.22 × 533.20
  4. Step 4: Simplify right side
    1,573.54x = 1,258,469.30
  5. Step 5: Solve for x
    x = 1,258,469.30/1,573.54
  6. Step 6: Final answer
    x = 799.77

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Double scale
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Similar ratio
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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.