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Finding the Fourth Proportional to 746.02, 1,118.31 and 334.95

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Solution

The fourth proportional to 746.02, 1,118.31 and 334.95 is: 502.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    746.02 : 1,118.31 = 334.95 : x
  2. Step 2: Convert to fraction form
    746.02/1,118.31 = 334.95/x
  3. Step 3: Cross multiply
    746.02x = 1,118.31 × 334.95
  4. Step 4: Simplify right side
    746.02x = 374,577.93
  5. Step 5: Solve for x
    x = 374,577.93/746.02
  6. Step 6: Final answer
    x = 502.10

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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.