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Finding the Fourth Proportional to 317,277.41, 475,679.40 and 190,888.03

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Solution

The fourth proportional to 317,277.41, 475,679.40 and 190,888.03 is: 286,189.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,277.41 : 475,679.40 = 190,888.03 : x
  2. Step 2: Convert to fraction form
    317,277.41/475,679.40 = 190,888.03/x
  3. Step 3: Cross multiply
    317,277.41x = 475,679.40 × 190,888.03
  4. Step 4: Simplify right side
    317,277.41x = 90,801,503,456.35
  5. Step 5: Solve for x
    x = 90,801,503,456.35/317,277.41
  6. Step 6: Final answer
    x = 286,189.63

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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.