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Finding the Fourth Proportional to 383,167.40, 574,751.10 and 146,517.80

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Solution

The fourth proportional to 383,167.40, 574,751.10 and 146,517.80 is: 219,776.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,167.40 : 574,751.10 = 146,517.80 : x
  2. Step 2: Convert to fraction form
    383,167.40/574,751.10 = 146,517.80/x
  3. Step 3: Cross multiply
    383,167.40x = 574,751.10 × 146,517.80
  4. Step 4: Simplify right side
    383,167.40x = 84,211,266,719.58
  5. Step 5: Solve for x
    x = 84,211,266,719.58/383,167.40
  6. Step 6: Final answer
    x = 219,776.70

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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.