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Finding the Fourth Proportional to 558.44, 836.20 and 466.88

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Solution

The fourth proportional to 558.44, 836.20 and 466.88 is: 699.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.44 : 836.20 = 466.88 : x
  2. Step 2: Convert to fraction form
    558.44/836.20 = 466.88/x
  3. Step 3: Cross multiply
    558.44x = 836.20 × 466.88
  4. Step 4: Simplify right side
    558.44x = 390,405.06
  5. Step 5: Solve for x
    x = 390,405.06/558.44
  6. Step 6: Final answer
    x = 699.10

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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.