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Finding the Fourth Proportional to 682,906.68, 942,463.35 and 377,041.95

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Solution

The fourth proportional to 682,906.68, 942,463.35 and 377,041.95 is: 520,346.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,906.68 : 942,463.35 = 377,041.95 : x
  2. Step 2: Convert to fraction form
    682,906.68/942,463.35 = 377,041.95/x
  3. Step 3: Cross multiply
    682,906.68x = 942,463.35 × 377,041.95
  4. Step 4: Simplify right side
    682,906.68x = 355,348,219,287.53
  5. Step 5: Solve for x
    x = 355,348,219,287.53/682,906.68
  6. Step 6: Final answer
    x = 520,346.67

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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.