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Finding the Fourth Proportional to 373,591.41, 559,664.60 and 312,899.31

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Solution

The fourth proportional to 373,591.41, 559,664.60 and 312,899.31 is: 468,743.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,591.41 : 559,664.60 = 312,899.31 : x
  2. Step 2: Convert to fraction form
    373,591.41/559,664.60 = 312,899.31/x
  3. Step 3: Cross multiply
    373,591.41x = 559,664.60 × 312,899.31
  4. Step 4: Simplify right side
    373,591.41x = 175,118,667,171.43
  5. Step 5: Solve for x
    x = 175,118,667,171.43/373,591.41
  6. Step 6: Final answer
    x = 468,743.83

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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.