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Finding the Fourth Proportional to 1,050.87, 1,576.97 and 465.85

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Solution

The fourth proportional to 1,050.87, 1,576.97 and 465.85 is: 699.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.87 : 1,576.97 = 465.85 : x
  2. Step 2: Convert to fraction form
    1,050.87/1,576.97 = 465.85/x
  3. Step 3: Cross multiply
    1,050.87x = 1,576.97 × 465.85
  4. Step 4: Simplify right side
    1,050.87x = 734,632.86
  5. Step 5: Solve for x
    x = 734,632.86/1,050.87
  6. Step 6: Final answer
    x = 699.07

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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.