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Finding the Fourth Proportional to 494, 741.04 and 152

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Solution

The fourth proportional to 494, 741.04 and 152 is: 228.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    494 : 741.04 = 152 : x
  2. Step 2: Convert to fraction form
    494/741.04 = 152/x
  3. Step 3: Cross multiply
    494x = 741.04 × 152
  4. Step 4: Simplify right side
    494x = 112,638.08
  5. Step 5: Solve for x
    x = 112,638.08/494
  6. Step 6: Final answer
    x = 228.01

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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.