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Finding the Fourth Proportional to 317,597.58, 476,385.03 and 80,938.26

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Solution

The fourth proportional to 317,597.58, 476,385.03 and 80,938.26 is: 121,404.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,597.58 : 476,385.03 = 80,938.26 : x
  2. Step 2: Convert to fraction form
    317,597.58/476,385.03 = 80,938.26/x
  3. Step 3: Cross multiply
    317,597.58x = 476,385.03 × 80,938.26
  4. Step 4: Simplify right side
    317,597.58x = 38,557,775,418.25
  5. Step 5: Solve for x
    x = 38,557,775,418.25/317,597.58
  6. Step 6: Final answer
    x = 121,404.50

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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.