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Finding the Fourth Proportional to 383,482.80, 574,792.20 and 183,898.80

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Solution

The fourth proportional to 383,482.80, 574,792.20 and 183,898.80 is: 275,641.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,482.80 : 574,792.20 = 183,898.80 : x
  2. Step 2: Convert to fraction form
    383,482.80/574,792.20 = 183,898.80/x
  3. Step 3: Cross multiply
    383,482.80x = 574,792.20 × 183,898.80
  4. Step 4: Simplify right side
    383,482.80x = 105,703,595,829.36
  5. Step 5: Solve for x
    x = 105,703,595,829.36/383,482.80
  6. Step 6: Final answer
    x = 275,641.03

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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.