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Finding the Fourth Proportional to 607.16, 910.76 and 236.99

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Solution

The fourth proportional to 607.16, 910.76 and 236.99 is: 355.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    607.16 : 910.76 = 236.99 : x
  2. Step 2: Convert to fraction form
    607.16/910.76 = 236.99/x
  3. Step 3: Cross multiply
    607.16x = 910.76 × 236.99
  4. Step 4: Simplify right side
    607.16x = 215,839.83
  5. Step 5: Solve for x
    x = 215,839.83/607.16
  6. Step 6: Final answer
    x = 355.49

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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.