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Finding the Fourth Proportional to 682,994.87, 942,564.45 and 377,114.67

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Solution

The fourth proportional to 682,994.87, 942,564.45 and 377,114.67 is: 520,435.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,994.87 : 942,564.45 = 377,114.67 : x
  2. Step 2: Convert to fraction form
    682,994.87/942,564.45 = 377,114.67/x
  3. Step 3: Cross multiply
    682,994.87x = 942,564.45 × 377,114.67
  4. Step 4: Simplify right side
    682,994.87x = 355,454,881,515.48
  5. Step 5: Solve for x
    x = 355,454,881,515.48/682,994.87
  6. Step 6: Final answer
    x = 520,435.66

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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.