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Finding the Fourth Proportional to 273,153.80, 409,827.90 and 263,433.80

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Solution

The fourth proportional to 273,153.80, 409,827.90 and 263,433.80 is: 395,244.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,153.80 : 409,827.90 = 263,433.80 : x
  2. Step 2: Convert to fraction form
    273,153.80/409,827.90 = 263,433.80/x
  3. Step 3: Cross multiply
    273,153.80x = 409,827.90 × 263,433.80
  4. Step 4: Simplify right side
    273,153.80x = 107,962,521,043.02
  5. Step 5: Solve for x
    x = 107,962,521,043.02/273,153.80
  6. Step 6: Final answer
    x = 395,244.44

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1.5x scale

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.