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Finding the Fourth Proportional to 383,860.48, 529,453.22 and 332,781.88

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Solution

The fourth proportional to 383,860.48, 529,453.22 and 332,781.88 is: 459,001.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,860.48 : 529,453.22 = 332,781.88 : x
  2. Step 2: Convert to fraction form
    383,860.48/529,453.22 = 332,781.88/x
  3. Step 3: Cross multiply
    383,860.48x = 529,453.22 × 332,781.88
  4. Step 4: Simplify right side
    383,860.48x = 176,192,437,923.65
  5. Step 5: Solve for x
    x = 176,192,437,923.65/383,860.48
  6. Step 6: Final answer
    x = 459,001.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.