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Finding the Fourth Proportional to 433,998.70, 606,198.50 and 433,998.70

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Solution

The fourth proportional to 433,998.70, 606,198.50 and 433,998.70 is: 606,198.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,998.70 : 606,198.50 = 433,998.70 : x
  2. Step 2: Convert to fraction form
    433,998.70/606,198.50 = 433,998.70/x
  3. Step 3: Cross multiply
    433,998.70x = 606,198.50 × 433,998.70
  4. Step 4: Simplify right side
    433,998.70x = 263,089,360,941.95
  5. Step 5: Solve for x
    x = 263,089,360,941.95/433,998.70
  6. Step 6: Final answer
    x = 606,198.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.