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Finding the Fourth Proportional to 255,739.80, 383,609.70 and 224,635.80

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Solution

The fourth proportional to 255,739.80, 383,609.70 and 224,635.80 is: 336,953.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,739.80 : 383,609.70 = 224,635.80 : x
  2. Step 2: Convert to fraction form
    255,739.80/383,609.70 = 224,635.80/x
  3. Step 3: Cross multiply
    255,739.80x = 383,609.70 × 224,635.80
  4. Step 4: Simplify right side
    255,739.80x = 86,172,471,847.26
  5. Step 5: Solve for x
    x = 86,172,471,847.26/255,739.80
  6. Step 6: Final answer
    x = 336,953.70

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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.