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Finding the Fourth Proportional to 383,559.63, 575,505.36 and 205,859.04

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Solution

The fourth proportional to 383,559.63, 575,505.36 and 205,859.04 is: 308,877.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,559.63 : 575,505.36 = 205,859.04 : x
  2. Step 2: Convert to fraction form
    383,559.63/575,505.36 = 205,859.04/x
  3. Step 3: Cross multiply
    383,559.63x = 575,505.36 × 205,859.04
  4. Step 4: Simplify right side
    383,559.63x = 118,472,980,924.45
  5. Step 5: Solve for x
    x = 118,472,980,924.45/383,559.63
  6. Step 6: Final answer
    x = 308,877.61

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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.