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Finding the Fourth Proportional to 737,589.60, 1,106,340.66 and 257,783.67

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Solution

The fourth proportional to 737,589.60, 1,106,340.66 and 257,783.67 is: 386,660.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,589.60 : 1,106,340.66 = 257,783.67 : x
  2. Step 2: Convert to fraction form
    737,589.60/1,106,340.66 = 257,783.67/x
  3. Step 3: Cross multiply
    737,589.60x = 1,106,340.66 × 257,783.67
  4. Step 4: Simplify right side
    737,589.60x = 285,196,555,605.02
  5. Step 5: Solve for x
    x = 285,196,555,605.02/737,589.60
  6. Step 6: Final answer
    x = 386,660.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.