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Finding the Fourth Proportional to 474.02, 653.40 and 333.72

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Solution

The fourth proportional to 474.02, 653.40 and 333.72 is: 460.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    474.02 : 653.40 = 333.72 : x
  2. Step 2: Convert to fraction form
    474.02/653.40 = 333.72/x
  3. Step 3: Cross multiply
    474.02x = 653.40 × 333.72
  4. Step 4: Simplify right side
    474.02x = 218,052.65
  5. Step 5: Solve for x
    x = 218,052.65/474.02
  6. Step 6: Final answer
    x = 460.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.