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Finding the Fourth Proportional to 844.85, 1,267.58 and 358.24

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Solution

The fourth proportional to 844.85, 1,267.58 and 358.24 is: 537.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    844.85 : 1,267.58 = 358.24 : x
  2. Step 2: Convert to fraction form
    844.85/1,267.58 = 358.24/x
  3. Step 3: Cross multiply
    844.85x = 1,267.58 × 358.24
  4. Step 4: Simplify right side
    844.85x = 454,097.86
  5. Step 5: Solve for x
    x = 454,097.86/844.85
  6. Step 6: Final answer
    x = 537.49

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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.