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Finding the Fourth Proportional to 682,841.67, 942,321.56 and 376,918.14

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Solution

The fourth proportional to 682,841.67, 942,321.56 and 376,918.14 is: 520,147.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,841.67 : 942,321.56 = 376,918.14 : x
  2. Step 2: Convert to fraction form
    682,841.67/942,321.56 = 376,918.14/x
  3. Step 3: Cross multiply
    682,841.67x = 942,321.56 × 376,918.14
  4. Step 4: Simplify right side
    682,841.67x = 355,178,089,677.10
  5. Step 5: Solve for x
    x = 355,178,089,677.10/682,841.67
  6. Step 6: Final answer
    x = 520,147.06

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1.5x scale

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.