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Finding the Fourth Proportional to 337,306.60, 505,959.90 and 317,623.60

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Solution

The fourth proportional to 337,306.60, 505,959.90 and 317,623.60 is: 476,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,306.60 : 505,959.90 = 317,623.60 : x
  2. Step 2: Convert to fraction form
    337,306.60/505,959.90 = 317,623.60/x
  3. Step 3: Cross multiply
    337,306.60x = 505,959.90 × 317,623.60
  4. Step 4: Simplify right side
    337,306.60x = 160,704,804,893.64
  5. Step 5: Solve for x
    x = 160,704,804,893.64/337,306.60
  6. Step 6: Final answer
    x = 476,435.40

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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.