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Finding the Fourth Proportional to 357.98, 536.60 and 175.64

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Solution

The fourth proportional to 357.98, 536.60 and 175.64 is: 263.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.98 : 536.60 = 175.64 : x
  2. Step 2: Convert to fraction form
    357.98/536.60 = 175.64/x
  3. Step 3: Cross multiply
    357.98x = 536.60 × 175.64
  4. Step 4: Simplify right side
    357.98x = 94,246.18
  5. Step 5: Solve for x
    x = 94,246.18/357.98
  6. Step 6: Final answer
    x = 263.28

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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.