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Finding the Fourth Proportional to 532,327.80, 734,623.49 and 290,620.56

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Solution

The fourth proportional to 532,327.80, 734,623.49 and 290,620.56 is: 401,062.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,327.80 : 734,623.49 = 290,620.56 : x
  2. Step 2: Convert to fraction form
    532,327.80/734,623.49 = 290,620.56/x
  3. Step 3: Cross multiply
    532,327.80x = 734,623.49 × 290,620.56
  4. Step 4: Simplify right side
    532,327.80x = 213,496,688,599.85
  5. Step 5: Solve for x
    x = 213,496,688,599.85/532,327.80
  6. Step 6: Final answer
    x = 401,062.44

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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.