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Finding the Fourth Proportional to 383,809.44, 575,429.80 and 183,939.52

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Solution

The fourth proportional to 383,809.44, 575,429.80 and 183,939.52 is: 275,773.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,809.44 : 575,429.80 = 183,939.52 : x
  2. Step 2: Convert to fraction form
    383,809.44/575,429.80 = 183,939.52/x
  3. Step 3: Cross multiply
    383,809.44x = 575,429.80 × 183,939.52
  4. Step 4: Simplify right side
    383,809.44x = 105,844,281,205.70
  5. Step 5: Solve for x
    x = 105,844,281,205.70/383,809.44
  6. Step 6: Final answer
    x = 275,773.00

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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.