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Finding the Fourth Proportional to 383,533.80, 574,868.70 and 183,949.80

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Solution

The fourth proportional to 383,533.80, 574,868.70 and 183,949.80 is: 275,717.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,533.80 : 574,868.70 = 183,949.80 : x
  2. Step 2: Convert to fraction form
    383,533.80/574,868.70 = 183,949.80/x
  3. Step 3: Cross multiply
    383,533.80x = 574,868.70 × 183,949.80
  4. Step 4: Simplify right side
    383,533.80x = 105,746,982,391.26
  5. Step 5: Solve for x
    x = 105,746,982,391.26/383,533.80
  6. Step 6: Final answer
    x = 275,717.50

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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.