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Finding the Fourth Proportional to 894.04, 1,341.18 and 316.72

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Solution

The fourth proportional to 894.04, 1,341.18 and 316.72 is: 475.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    894.04 : 1,341.18 = 316.72 : x
  2. Step 2: Convert to fraction form
    894.04/1,341.18 = 316.72/x
  3. Step 3: Cross multiply
    894.04x = 1,341.18 × 316.72
  4. Step 4: Simplify right side
    894.04x = 424,778.53
  5. Step 5: Solve for x
    x = 424,778.53/894.04
  6. Step 6: Final answer
    x = 475.12

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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.