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Finding the Fourth Proportional to 887.76, 1,224.81 and 593.22

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Solution

The fourth proportional to 887.76, 1,224.81 and 593.22 is: 818.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    887.76 : 1,224.81 = 593.22 : x
  2. Step 2: Convert to fraction form
    887.76/1,224.81 = 593.22/x
  3. Step 3: Cross multiply
    887.76x = 1,224.81 × 593.22
  4. Step 4: Simplify right side
    887.76x = 726,581.79
  5. Step 5: Solve for x
    x = 726,581.79/887.76
  6. Step 6: Final answer
    x = 818.44

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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.