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Finding the Fourth Proportional to 275,343.80, 413,015.70 and 264,846.20

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Solution

The fourth proportional to 275,343.80, 413,015.70 and 264,846.20 is: 397,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,343.80 : 413,015.70 = 264,846.20 : x
  2. Step 2: Convert to fraction form
    275,343.80/413,015.70 = 264,846.20/x
  3. Step 3: Cross multiply
    275,343.80x = 413,015.70 × 264,846.20
  4. Step 4: Simplify right side
    275,343.80x = 109,385,638,685.34
  5. Step 5: Solve for x
    x = 109,385,638,685.34/275,343.80
  6. Step 6: Final answer
    x = 397,269.30

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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.