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Finding the Fourth Proportional to 463,185.60, 639,207.60 and 259,234.80

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Solution

The fourth proportional to 463,185.60, 639,207.60 and 259,234.80 is: 357,750.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,185.60 : 639,207.60 = 259,234.80 : x
  2. Step 2: Convert to fraction form
    463,185.60/639,207.60 = 259,234.80/x
  3. Step 3: Cross multiply
    463,185.60x = 639,207.60 × 259,234.80
  4. Step 4: Simplify right side
    463,185.60x = 165,704,854,344.48
  5. Step 5: Solve for x
    x = 165,704,854,344.48/463,185.60
  6. Step 6: Final answer
    x = 357,750.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.