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Finding the Fourth Proportional to 476.16, 714.22 and 294.68

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Solution

The fourth proportional to 476.16, 714.22 and 294.68 is: 442.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.16 : 714.22 = 294.68 : x
  2. Step 2: Convert to fraction form
    476.16/714.22 = 294.68/x
  3. Step 3: Cross multiply
    476.16x = 714.22 × 294.68
  4. Step 4: Simplify right side
    476.16x = 210,466.35
  5. Step 5: Solve for x
    x = 210,466.35/476.16
  6. Step 6: Final answer
    x = 442.01

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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.