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Finding the Fourth Proportional to 383,855.48, 574,602.23 and 250,448.48

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Solution

The fourth proportional to 383,855.48, 574,602.23 and 250,448.48 is: 374,902.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,855.48 : 574,602.23 = 250,448.48 : x
  2. Step 2: Convert to fraction form
    383,855.48/574,602.23 = 250,448.48/x
  3. Step 3: Cross multiply
    383,855.48x = 574,602.23 × 250,448.48
  4. Step 4: Simplify right side
    383,855.48x = 143,908,253,855.87
  5. Step 5: Solve for x
    x = 143,908,253,855.87/383,855.48
  6. Step 6: Final answer
    x = 374,902.17

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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.