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Finding the Fourth Proportional to 600.60, 900.45 and 253.65

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Solution

The fourth proportional to 600.60, 900.45 and 253.65 is: 380.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    600.60 : 900.45 = 253.65 : x
  2. Step 2: Convert to fraction form
    600.60/900.45 = 253.65/x
  3. Step 3: Cross multiply
    600.60x = 900.45 × 253.65
  4. Step 4: Simplify right side
    600.60x = 228,399.14
  5. Step 5: Solve for x
    x = 228,399.14/600.60
  6. Step 6: Final answer
    x = 380.28

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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.