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Finding the Fourth Proportional to 587,853.44, 810,996.36 and 383,833.88

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Solution

The fourth proportional to 587,853.44, 810,996.36 and 383,833.88 is: 529,533.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,853.44 : 810,996.36 = 383,833.88 : x
  2. Step 2: Convert to fraction form
    587,853.44/810,996.36 = 383,833.88/x
  3. Step 3: Cross multiply
    587,853.44x = 810,996.36 × 383,833.88
  4. Step 4: Simplify right side
    587,853.44x = 311,287,879,524.68
  5. Step 5: Solve for x
    x = 311,287,879,524.68/587,853.44
  6. Step 6: Final answer
    x = 529,533.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.