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Finding the Fourth Proportional to 587,980.80, 882,086.40 and 251,020.80

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Solution

The fourth proportional to 587,980.80, 882,086.40 and 251,020.80 is: 376,580.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,980.80 : 882,086.40 = 251,020.80 : x
  2. Step 2: Convert to fraction form
    587,980.80/882,086.40 = 251,020.80/x
  3. Step 3: Cross multiply
    587,980.80x = 882,086.40 × 251,020.80
  4. Step 4: Simplify right side
    587,980.80x = 221,422,033,797.12
  5. Step 5: Solve for x
    x = 221,422,033,797.12/587,980.80
  6. Step 6: Final answer
    x = 376,580.38

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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.