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Finding the Fourth Proportional to 383,009.75, 574,644.02 and 169,748.49

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Solution

The fourth proportional to 383,009.75, 574,644.02 and 169,748.49 is: 254,680.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,009.75 : 574,644.02 = 169,748.49 : x
  2. Step 2: Convert to fraction form
    383,009.75/574,644.02 = 169,748.49/x
  3. Step 3: Cross multiply
    383,009.75x = 574,644.02 × 169,748.49
  4. Step 4: Simplify right side
    383,009.75x = 97,544,953,833.79
  5. Step 5: Solve for x
    x = 97,544,953,833.79/383,009.75
  6. Step 6: Final answer
    x = 254,680.08

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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.