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Finding the Fourth Proportional to 647,182.82, 970,708.62 and 173,806.67

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Solution

The fourth proportional to 647,182.82, 970,708.62 and 173,806.67 is: 260,692.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,182.82 : 970,708.62 = 173,806.67 : x
  2. Step 2: Convert to fraction form
    647,182.82/970,708.62 = 173,806.67/x
  3. Step 3: Cross multiply
    647,182.82x = 970,708.62 × 173,806.67
  4. Step 4: Simplify right side
    647,182.82x = 168,715,632,782.50
  5. Step 5: Solve for x
    x = 168,715,632,782.50/647,182.82
  6. Step 6: Final answer
    x = 260,692.38

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1.5x scale

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.