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Finding the Fourth Proportional to 449,701.59, 620,563.82 and 248,484.63

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Solution

The fourth proportional to 449,701.59, 620,563.82 and 248,484.63 is: 342,895.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,701.59 : 620,563.82 = 248,484.63 : x
  2. Step 2: Convert to fraction form
    449,701.59/620,563.82 = 248,484.63/x
  3. Step 3: Cross multiply
    449,701.59x = 620,563.82 × 248,484.63
  4. Step 4: Simplify right side
    449,701.59x = 154,200,568,722.48
  5. Step 5: Solve for x
    x = 154,200,568,722.48/449,701.59
  6. Step 6: Final answer
    x = 342,895.32

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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.