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Finding the Fourth Proportional to 914.76, 1,263.16 and 600.08

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Solution

The fourth proportional to 914.76, 1,263.16 and 600.08 is: 828.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    914.76 : 1,263.16 = 600.08 : x
  2. Step 2: Convert to fraction form
    914.76/1,263.16 = 600.08/x
  3. Step 3: Cross multiply
    914.76x = 1,263.16 × 600.08
  4. Step 4: Simplify right side
    914.76x = 757,997.05
  5. Step 5: Solve for x
    x = 757,997.05/914.76
  6. Step 6: Final answer
    x = 828.63

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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.