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Finding the Fourth Proportional to 702.54, 1,053.93 and 337.26

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Solution

The fourth proportional to 702.54, 1,053.93 and 337.26 is: 505.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    702.54 : 1,053.93 = 337.26 : x
  2. Step 2: Convert to fraction form
    702.54/1,053.93 = 337.26/x
  3. Step 3: Cross multiply
    702.54x = 1,053.93 × 337.26
  4. Step 4: Simplify right side
    702.54x = 355,448.43
  5. Step 5: Solve for x
    x = 355,448.43/702.54
  6. Step 6: Final answer
    x = 505.95

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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.