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Finding the Fourth Proportional to 449,514.08, 674,369.62 and 169,031.36

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Solution

The fourth proportional to 449,514.08, 674,369.62 and 169,031.36 is: 253,584.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,514.08 : 674,369.62 = 169,031.36 : x
  2. Step 2: Convert to fraction form
    449,514.08/674,369.62 = 169,031.36/x
  3. Step 3: Cross multiply
    449,514.08x = 674,369.62 × 169,031.36
  4. Step 4: Simplify right side
    449,514.08x = 113,989,614,011.28
  5. Step 5: Solve for x
    x = 113,989,614,011.28/449,514.08
  6. Step 6: Final answer
    x = 253,584.08

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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.