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Finding the Fourth Proportional to 339,780.45, 510,064.20 and 182,316.45

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Solution

The fourth proportional to 339,780.45, 510,064.20 and 182,316.45 is: 273,685.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,780.45 : 510,064.20 = 182,316.45 : x
  2. Step 2: Convert to fraction form
    339,780.45/510,064.20 = 182,316.45/x
  3. Step 3: Cross multiply
    339,780.45x = 510,064.20 × 182,316.45
  4. Step 4: Simplify right side
    339,780.45x = 92,993,094,216.09
  5. Step 5: Solve for x
    x = 92,993,094,216.09/339,780.45
  6. Step 6: Final answer
    x = 273,685.83

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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.