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Finding the Fourth Proportional to 383,009.34, 574,421.75 and 169,659.29

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Solution

The fourth proportional to 383,009.34, 574,421.75 and 169,659.29 is: 254,448.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,009.34 : 574,421.75 = 169,659.29 : x
  2. Step 2: Convert to fraction form
    383,009.34/574,421.75 = 169,659.29/x
  3. Step 3: Cross multiply
    383,009.34x = 574,421.75 × 169,659.29
  4. Step 4: Simplify right side
    383,009.34x = 97,455,986,853.32
  5. Step 5: Solve for x
    x = 97,455,986,853.32/383,009.34
  6. Step 6: Final answer
    x = 254,448.07

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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.