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Finding the Fourth Proportional to 895.16, 1,234.85 and 562.96

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Solution

The fourth proportional to 895.16, 1,234.85 and 562.96 is: 776.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.16 : 1,234.85 = 562.96 : x
  2. Step 2: Convert to fraction form
    895.16/1,234.85 = 562.96/x
  3. Step 3: Cross multiply
    895.16x = 1,234.85 × 562.96
  4. Step 4: Simplify right side
    895.16x = 695,163.57
  5. Step 5: Solve for x
    x = 695,163.57/895.16
  6. Step 6: Final answer
    x = 776.58

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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.