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Finding the Fourth Proportional to 449,093.94, 619,751.97 and 247,889.94

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Solution

The fourth proportional to 449,093.94, 619,751.97 and 247,889.94 is: 342,089.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,093.94 : 619,751.97 = 247,889.94 : x
  2. Step 2: Convert to fraction form
    449,093.94/619,751.97 = 247,889.94/x
  3. Step 3: Cross multiply
    449,093.94x = 619,751.97 × 247,889.94
  4. Step 4: Simplify right side
    449,093.94x = 153,630,278,658.18
  5. Step 5: Solve for x
    x = 153,630,278,658.18/449,093.94
  6. Step 6: Final answer
    x = 342,089.40

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1.5x scale

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.