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Finding the Fourth Proportional to 895.60, 1,343.83 and 462.76

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Solution

The fourth proportional to 895.60, 1,343.83 and 462.76 is: 694.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.60 : 1,343.83 = 462.76 : x
  2. Step 2: Convert to fraction form
    895.60/1,343.83 = 462.76/x
  3. Step 3: Cross multiply
    895.60x = 1,343.83 × 462.76
  4. Step 4: Simplify right side
    895.60x = 621,861.74
  5. Step 5: Solve for x
    x = 621,861.74/895.60
  6. Step 6: Final answer
    x = 694.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.