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Finding the Fourth Proportional to 682,992.95, 942,530.51 and 377,069.58

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Solution

The fourth proportional to 682,992.95, 942,530.51 and 377,069.58 is: 520,356.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,992.95 : 942,530.51 = 377,069.58 : x
  2. Step 2: Convert to fraction form
    682,992.95/942,530.51 = 377,069.58/x
  3. Step 3: Cross multiply
    682,992.95x = 942,530.51 × 377,069.58
  4. Step 4: Simplify right side
    682,992.95x = 355,399,584,485.56
  5. Step 5: Solve for x
    x = 355,399,584,485.56/682,992.95
  6. Step 6: Final answer
    x = 520,356.16

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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.