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Finding the Fourth Proportional to 967.16, 1,333.38 and 656.12

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Solution

The fourth proportional to 967.16, 1,333.38 and 656.12 is: 904.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    967.16 : 1,333.38 = 656.12 : x
  2. Step 2: Convert to fraction form
    967.16/1,333.38 = 656.12/x
  3. Step 3: Cross multiply
    967.16x = 1,333.38 × 656.12
  4. Step 4: Simplify right side
    967.16x = 874,857.29
  5. Step 5: Solve for x
    x = 874,857.29/967.16
  6. Step 6: Final answer
    x = 904.56

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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.