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Finding the Fourth Proportional to 357.19, 534.95 and 174.01

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Solution

The fourth proportional to 357.19, 534.95 and 174.01 is: 260.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.19 : 534.95 = 174.01 : x
  2. Step 2: Convert to fraction form
    357.19/534.95 = 174.01/x
  3. Step 3: Cross multiply
    357.19x = 534.95 × 174.01
  4. Step 4: Simplify right side
    357.19x = 93,085.78
  5. Step 5: Solve for x
    x = 93,085.78/357.19
  6. Step 6: Final answer
    x = 260.61

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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.