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Finding the Fourth Proportional to 356.98, 535.34 and 183.59

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Solution

The fourth proportional to 356.98, 535.34 and 183.59 is: 275.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    356.98 : 535.34 = 183.59 : x
  2. Step 2: Convert to fraction form
    356.98/535.34 = 183.59/x
  3. Step 3: Cross multiply
    356.98x = 535.34 × 183.59
  4. Step 4: Simplify right side
    356.98x = 98,283.07
  5. Step 5: Solve for x
    x = 98,283.07/356.98
  6. Step 6: Final answer
    x = 275.32

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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.