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Finding the Fourth Proportional to 641,973.62, 962,958.11 and 192,692.54

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Solution

The fourth proportional to 641,973.62, 962,958.11 and 192,692.54 is: 289,038.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,973.62 : 962,958.11 = 192,692.54 : x
  2. Step 2: Convert to fraction form
    641,973.62/962,958.11 = 192,692.54/x
  3. Step 3: Cross multiply
    641,973.62x = 962,958.11 × 192,692.54
  4. Step 4: Simplify right side
    641,973.62x = 185,554,838,351.25
  5. Step 5: Solve for x
    x = 185,554,838,351.25/641,973.62
  6. Step 6: Final answer
    x = 289,038.11

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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.