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Finding the Fourth Proportional to 297,695.80, 446,025.30 and 256,223.80

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Solution

The fourth proportional to 297,695.80, 446,025.30 and 256,223.80 is: 383,889.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,695.80 : 446,025.30 = 256,223.80 : x
  2. Step 2: Convert to fraction form
    297,695.80/446,025.30 = 256,223.80/x
  3. Step 3: Cross multiply
    297,695.80x = 446,025.30 × 256,223.80
  4. Step 4: Simplify right side
    297,695.80x = 114,282,297,262.14
  5. Step 5: Solve for x
    x = 114,282,297,262.14/297,695.80
  6. Step 6: Final answer
    x = 383,889.52

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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.