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Finding the Fourth Proportional to 895.67, 1,343.73 and 368.73

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Solution

The fourth proportional to 895.67, 1,343.73 and 368.73 is: 553.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.67 : 1,343.73 = 368.73 : x
  2. Step 2: Convert to fraction form
    895.67/1,343.73 = 368.73/x
  3. Step 3: Cross multiply
    895.67x = 1,343.73 × 368.73
  4. Step 4: Simplify right side
    895.67x = 495,479.98
  5. Step 5: Solve for x
    x = 495,479.98/895.67
  6. Step 6: Final answer
    x = 553.20

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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.