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Finding the Fourth Proportional to 895.26, 1,235.73 and 563.67

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Solution

The fourth proportional to 895.26, 1,235.73 and 563.67 is: 778.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.26 : 1,235.73 = 563.67 : x
  2. Step 2: Convert to fraction form
    895.26/1,235.73 = 563.67/x
  3. Step 3: Cross multiply
    895.26x = 1,235.73 × 563.67
  4. Step 4: Simplify right side
    895.26x = 696,543.93
  5. Step 5: Solve for x
    x = 696,543.93/895.26
  6. Step 6: Final answer
    x = 778.04

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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.