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Finding the Fourth Proportional to 982, 1,473 and 364.99

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Solution

The fourth proportional to 982, 1,473 and 364.99 is: 547.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    982 : 1,473 = 364.99 : x
  2. Step 2: Convert to fraction form
    982/1,473 = 364.99/x
  3. Step 3: Cross multiply
    982x = 1,473 × 364.99
  4. Step 4: Simplify right side
    982x = 537,630.27
  5. Step 5: Solve for x
    x = 537,630.27/982
  6. Step 6: Final answer
    x = 547.49

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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.