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Finding the Fourth Proportional to 455,234.82, 682,704.39 and 151,547.39

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Solution

The fourth proportional to 455,234.82, 682,704.39 and 151,547.39 is: 227,271.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,234.82 : 682,704.39 = 151,547.39 : x
  2. Step 2: Convert to fraction form
    455,234.82/682,704.39 = 151,547.39/x
  3. Step 3: Cross multiply
    455,234.82x = 682,704.39 × 151,547.39
  4. Step 4: Simplify right side
    455,234.82x = 103,462,068,160.96
  5. Step 5: Solve for x
    x = 103,462,068,160.96/455,234.82
  6. Step 6: Final answer
    x = 227,271.87

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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.