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Finding the Fourth Proportional to 1,114.53, 1,671.35 and 334.26

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Solution

The fourth proportional to 1,114.53, 1,671.35 and 334.26 is: 501.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114.53 : 1,671.35 = 334.26 : x
  2. Step 2: Convert to fraction form
    1,114.53/1,671.35 = 334.26/x
  3. Step 3: Cross multiply
    1,114.53x = 1,671.35 × 334.26
  4. Step 4: Simplify right side
    1,114.53x = 558,663.78
  5. Step 5: Solve for x
    x = 558,663.78/1,114.53
  6. Step 6: Final answer
    x = 501.26

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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.