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Finding the Fourth Proportional to 449,666.64, 674,769.96 and 179,746.56

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Solution

The fourth proportional to 449,666.64, 674,769.96 and 179,746.56 is: 269,727.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,666.64 : 674,769.96 = 179,746.56 : x
  2. Step 2: Convert to fraction form
    449,666.64/674,769.96 = 179,746.56/x
  3. Step 3: Cross multiply
    449,666.64x = 674,769.96 × 179,746.56
  4. Step 4: Simplify right side
    449,666.64x = 121,287,579,101.34
  5. Step 5: Solve for x
    x = 121,287,579,101.34/449,666.64
  6. Step 6: Final answer
    x = 269,727.77

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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.