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Finding the Fourth Proportional to 476.84, 714.53 and 293.92

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Solution

The fourth proportional to 476.84, 714.53 and 293.92 is: 440.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.84 : 714.53 = 293.92 : x
  2. Step 2: Convert to fraction form
    476.84/714.53 = 293.92/x
  3. Step 3: Cross multiply
    476.84x = 714.53 × 293.92
  4. Step 4: Simplify right side
    476.84x = 210,013.61
  5. Step 5: Solve for x
    x = 210,013.61/476.84
  6. Step 6: Final answer
    x = 440.43

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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.