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Finding the Fourth Proportional to 4,308.32, 6,462.32 and 1,230.32

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Solution

The fourth proportional to 4,308.32, 6,462.32 and 1,230.32 is: 1,845.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308.32 : 6,462.32 = 1,230.32 : x
  2. Step 2: Convert to fraction form
    4,308.32/6,462.32 = 1,230.32/x
  3. Step 3: Cross multiply
    4,308.32x = 6,462.32 × 1,230.32
  4. Step 4: Simplify right side
    4,308.32x = 7,950,731.55
  5. Step 5: Solve for x
    x = 7,950,731.55/4,308.32
  6. Step 6: Final answer
    x = 1,845.44

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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.