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Finding the Fourth Proportional to 700.57, 1,050.36 and 238.24

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Solution

The fourth proportional to 700.57, 1,050.36 and 238.24 is: 357.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.57 : 1,050.36 = 238.24 : x
  2. Step 2: Convert to fraction form
    700.57/1,050.36 = 238.24/x
  3. Step 3: Cross multiply
    700.57x = 1,050.36 × 238.24
  4. Step 4: Simplify right side
    700.57x = 250,237.77
  5. Step 5: Solve for x
    x = 250,237.77/700.57
  6. Step 6: Final answer
    x = 357.19

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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.