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Finding the Fourth Proportional to 696.82, 962.04 and 435.19

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Solution

The fourth proportional to 696.82, 962.04 and 435.19 is: 600.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    696.82 : 962.04 = 435.19 : x
  2. Step 2: Convert to fraction form
    696.82/962.04 = 435.19/x
  3. Step 3: Cross multiply
    696.82x = 962.04 × 435.19
  4. Step 4: Simplify right side
    696.82x = 418,670.19
  5. Step 5: Solve for x
    x = 418,670.19/696.82
  6. Step 6: Final answer
    x = 600.83

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.