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Finding the Fourth Proportional to 455,376.57, 683,097.66 and 174,893.82

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Solution

The fourth proportional to 455,376.57, 683,097.66 and 174,893.82 is: 262,353.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,376.57 : 683,097.66 = 174,893.82 : x
  2. Step 2: Convert to fraction form
    455,376.57/683,097.66 = 174,893.82/x
  3. Step 3: Cross multiply
    455,376.57x = 683,097.66 × 174,893.82
  4. Step 4: Simplify right side
    455,376.57x = 119,469,559,190.46
  5. Step 5: Solve for x
    x = 119,469,559,190.46/455,376.57
  6. Step 6: Final answer
    x = 262,353.33

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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.