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Finding the Fourth Proportional to 449,472.30, 674,208.45 and 117,048.30

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Solution

The fourth proportional to 449,472.30, 674,208.45 and 117,048.30 is: 175,572.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,472.30 : 674,208.45 = 117,048.30 : x
  2. Step 2: Convert to fraction form
    449,472.30/674,208.45 = 117,048.30/x
  3. Step 3: Cross multiply
    449,472.30x = 674,208.45 × 117,048.30
  4. Step 4: Simplify right side
    449,472.30x = 78,914,952,918.14
  5. Step 5: Solve for x
    x = 78,914,952,918.14/449,472.30
  6. Step 6: Final answer
    x = 175,572.45

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Similar ratio
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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.