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Finding the Fourth Proportional to 488,293.59, 673,845.05 and 270,516.41

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Solution

The fourth proportional to 488,293.59, 673,845.05 and 270,516.41 is: 373,312.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,293.59 : 673,845.05 = 270,516.41 : x
  2. Step 2: Convert to fraction form
    488,293.59/673,845.05 = 270,516.41/x
  3. Step 3: Cross multiply
    488,293.59x = 673,845.05 × 270,516.41
  4. Step 4: Simplify right side
    488,293.59x = 182,286,143,822.27
  5. Step 5: Solve for x
    x = 182,286,143,822.27/488,293.59
  6. Step 6: Final answer
    x = 373,312.59

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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.