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Finding the Fourth Proportional to 476.22, 714.32 and 202.27

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Solution

The fourth proportional to 476.22, 714.32 and 202.27 is: 303.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.22 : 714.32 = 202.27 : x
  2. Step 2: Convert to fraction form
    476.22/714.32 = 202.27/x
  3. Step 3: Cross multiply
    476.22x = 714.32 × 202.27
  4. Step 4: Simplify right side
    476.22x = 144,485.51
  5. Step 5: Solve for x
    x = 144,485.51/476.22
  6. Step 6: Final answer
    x = 303.40

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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.