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Finding the Fourth Proportional to 170,412,830.40, 255,619,245.60 and 170,412,830.40

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Solution

The fourth proportional to 170,412,830.40, 255,619,245.60 and 170,412,830.40 is: 255,619,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,412,830.40 : 255,619,245.60 = 170,412,830.40 : x
  2. Step 2: Convert to fraction form
    170,412,830.40/255,619,245.60 = 170,412,830.40/x
  3. Step 3: Cross multiply
    170,412,830.40x = 255,619,245.60 × 170,412,830.40
  4. Step 4: Simplify right side
    170,412,830.40x = 43,560,799,147,408,744
  5. Step 5: Solve for x
    x = 43,560,799,147,408,744/170,412,830.40
  6. Step 6: Final answer
    x = 255,619,245.60

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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.