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Finding the Fourth Proportional to 297,241,012.80, 445,861,519.20 and 297,241,012.80

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Solution

The fourth proportional to 297,241,012.80, 445,861,519.20 and 297,241,012.80 is: 445,861,519.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,241,012.80 : 445,861,519.20 = 297,241,012.80 : x
  2. Step 2: Convert to fraction form
    297,241,012.80/445,861,519.20 = 297,241,012.80/x
  3. Step 3: Cross multiply
    297,241,012.80x = 445,861,519.20 × 297,241,012.80
  4. Step 4: Simplify right side
    297,241,012.80x = 132,528,329,535,554,640
  5. Step 5: Solve for x
    x = 132,528,329,535,554,640/297,241,012.80
  6. Step 6: Final answer
    x = 445,861,519.20

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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.