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Finding the Fourth Proportional to 382,703.79, 574,185.41 and 169,442.29

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Solution

The fourth proportional to 382,703.79, 574,185.41 and 169,442.29 is: 254,220.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,703.79 : 574,185.41 = 169,442.29 : x
  2. Step 2: Convert to fraction form
    382,703.79/574,185.41 = 169,442.29/x
  3. Step 3: Cross multiply
    382,703.79x = 574,185.41 × 169,442.29
  4. Step 4: Simplify right side
    382,703.79x = 97,291,290,754.99
  5. Step 5: Solve for x
    x = 97,291,290,754.99/382,703.79
  6. Step 6: Final answer
    x = 254,220.87

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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.