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Finding the Fourth Proportional to 455,157.61, 682,824.49 and 174,653.05

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Solution

The fourth proportional to 455,157.61, 682,824.49 and 174,653.05 is: 262,013.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,157.61 : 682,824.49 = 174,653.05 : x
  2. Step 2: Convert to fraction form
    455,157.61/682,824.49 = 174,653.05/x
  3. Step 3: Cross multiply
    455,157.61x = 682,824.49 × 174,653.05
  4. Step 4: Simplify right side
    455,157.61x = 119,257,376,379.07
  5. Step 5: Solve for x
    x = 119,257,376,379.07/455,157.61
  6. Step 6: Final answer
    x = 262,013.37

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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.