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Finding the Fourth Proportional to 488,012.55, 673,450.35 and 270,200.41

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Solution

The fourth proportional to 488,012.55, 673,450.35 and 270,200.41 is: 372,872.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,012.55 : 673,450.35 = 270,200.41 : x
  2. Step 2: Convert to fraction form
    488,012.55/673,450.35 = 270,200.41/x
  3. Step 3: Cross multiply
    488,012.55x = 673,450.35 × 270,200.41
  4. Step 4: Simplify right side
    488,012.55x = 181,966,559,507.64
  5. Step 5: Solve for x
    x = 181,966,559,507.64/488,012.55
  6. Step 6: Final answer
    x = 372,872.71

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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.