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Finding the Fourth Proportional to 436,833, 655,248.96 and 137,339.82

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Solution

The fourth proportional to 436,833, 655,248.96 and 137,339.82 is: 206,009.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,833 : 655,248.96 = 137,339.82 : x
  2. Step 2: Convert to fraction form
    436,833/655,248.96 = 137,339.82/x
  3. Step 3: Cross multiply
    436,833x = 655,248.96 × 137,339.82
  4. Step 4: Simplify right side
    436,833x = 89,991,774,221.59
  5. Step 5: Solve for x
    x = 89,991,774,221.59/436,833
  6. Step 6: Final answer
    x = 206,009.56

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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.