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Finding the Fourth Proportional to 602.98, 904.45 and 192.11

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Solution

The fourth proportional to 602.98, 904.45 and 192.11 is: 288.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.98 : 904.45 = 192.11 : x
  2. Step 2: Convert to fraction form
    602.98/904.45 = 192.11/x
  3. Step 3: Cross multiply
    602.98x = 904.45 × 192.11
  4. Step 4: Simplify right side
    602.98x = 173,749.85
  5. Step 5: Solve for x
    x = 173,749.85/602.98
  6. Step 6: Final answer
    x = 288.15

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