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Finding the Fourth Proportional to 895.36, 1,233.36 and 662.08

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Solution

The fourth proportional to 895.36, 1,233.36 and 662.08 is: 912.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.36 : 1,233.36 = 662.08 : x
  2. Step 2: Convert to fraction form
    895.36/1,233.36 = 662.08/x
  3. Step 3: Cross multiply
    895.36x = 1,233.36 × 662.08
  4. Step 4: Simplify right side
    895.36x = 816,582.99
  5. Step 5: Solve for x
    x = 816,582.99/895.36
  6. Step 6: Final answer
    x = 912.02

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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.