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Finding the Fourth Proportional to 341,419.86, 471,336.37 and 249,435.86

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Solution

The fourth proportional to 341,419.86, 471,336.37 and 249,435.86 is: 344,350.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,419.86 : 471,336.37 = 249,435.86 : x
  2. Step 2: Convert to fraction form
    341,419.86/471,336.37 = 249,435.86/x
  3. Step 3: Cross multiply
    341,419.86x = 471,336.37 × 249,435.86
  4. Step 4: Simplify right side
    341,419.86x = 117,568,189,819.96
  5. Step 5: Solve for x
    x = 117,568,189,819.96/341,419.86
  6. Step 6: Final answer
    x = 344,350.76

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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.