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Finding the Fourth Proportional to 365,080.80, 547,621.20 and 115,762.80

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Solution

The fourth proportional to 365,080.80, 547,621.20 and 115,762.80 is: 173,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,080.80 : 547,621.20 = 115,762.80 : x
  2. Step 2: Convert to fraction form
    365,080.80/547,621.20 = 115,762.80/x
  3. Step 3: Cross multiply
    365,080.80x = 547,621.20 × 115,762.80
  4. Step 4: Simplify right side
    365,080.80x = 63,394,163,451.36
  5. Step 5: Solve for x
    x = 63,394,163,451.36/365,080.80
  6. Step 6: Final answer
    x = 173,644.20

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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.