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Finding the Fourth Proportional to 983.52, 1,475.58 and 334.26

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Solution

The fourth proportional to 983.52, 1,475.58 and 334.26 is: 501.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    983.52 : 1,475.58 = 334.26 : x
  2. Step 2: Convert to fraction form
    983.52/1,475.58 = 334.26/x
  3. Step 3: Cross multiply
    983.52x = 1,475.58 × 334.26
  4. Step 4: Simplify right side
    983.52x = 493,227.37
  5. Step 5: Solve for x
    x = 493,227.37/983.52
  6. Step 6: Final answer
    x = 501.49

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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.