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Finding the Fourth Proportional to 436,175.20, 654,262.80 and 436,175.20

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Solution

The fourth proportional to 436,175.20, 654,262.80 and 436,175.20 is: 654,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,175.20 : 654,262.80 = 436,175.20 : x
  2. Step 2: Convert to fraction form
    436,175.20/654,262.80 = 436,175.20/x
  3. Step 3: Cross multiply
    436,175.20x = 654,262.80 × 436,175.20
  4. Step 4: Simplify right side
    436,175.20x = 285,373,207,642.56
  5. Step 5: Solve for x
    x = 285,373,207,642.56/436,175.20
  6. Step 6: Final answer
    x = 654,262.80

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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.