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Finding the Fourth Proportional to 333.36, 502.02 and 302.64

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Solution

The fourth proportional to 333.36, 502.02 and 302.64 is: 455.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.36 : 502.02 = 302.64 : x
  2. Step 2: Convert to fraction form
    333.36/502.02 = 302.64/x
  3. Step 3: Cross multiply
    333.36x = 502.02 × 302.64
  4. Step 4: Simplify right side
    333.36x = 151,931.33
  5. Step 5: Solve for x
    x = 151,931.33/333.36
  6. Step 6: Final answer
    x = 455.76

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.