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Finding the Fourth Proportional to 1,234.54, 1,851.27 and 464.50

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Solution

The fourth proportional to 1,234.54, 1,851.27 and 464.50 is: 696.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234.54 : 1,851.27 = 464.50 : x
  2. Step 2: Convert to fraction form
    1,234.54/1,851.27 = 464.50/x
  3. Step 3: Cross multiply
    1,234.54x = 1,851.27 × 464.50
  4. Step 4: Simplify right side
    1,234.54x = 859,914.92
  5. Step 5: Solve for x
    x = 859,914.92/1,234.54
  6. Step 6: Final answer
    x = 696.55

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Half scale
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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.