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Finding the Fourth Proportional to 317,103.58, 475,021.62 and 190,674.62

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Solution

The fourth proportional to 317,103.58, 475,021.62 and 190,674.62 is: 285,630.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,103.58 : 475,021.62 = 190,674.62 : x
  2. Step 2: Convert to fraction form
    317,103.58/475,021.62 = 190,674.62/x
  3. Step 3: Cross multiply
    317,103.58x = 475,021.62 × 190,674.62
  4. Step 4: Simplify right side
    317,103.58x = 90,574,566,885.28
  5. Step 5: Solve for x
    x = 90,574,566,885.28/317,103.58
  6. Step 6: Final answer
    x = 285,630.86

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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.