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Finding the Fourth Proportional to 455,857.83, 683,815.94 and 175,375.08

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Solution

The fourth proportional to 455,857.83, 683,815.94 and 175,375.08 is: 263,073.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,857.83 : 683,815.94 = 175,375.08 : x
  2. Step 2: Convert to fraction form
    455,857.83/683,815.94 = 175,375.08/x
  3. Step 3: Cross multiply
    455,857.83x = 683,815.94 × 175,375.08
  4. Step 4: Simplify right side
    455,857.83x = 119,924,274,305.90
  5. Step 5: Solve for x
    x = 119,924,274,305.90/455,857.83
  6. Step 6: Final answer
    x = 263,073.85

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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.