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Finding the Fourth Proportional to 453,789.92, 680,604.69 and 169,416.74

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Solution

The fourth proportional to 453,789.92, 680,604.69 and 169,416.74 is: 254,095.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,789.92 : 680,604.69 = 169,416.74 : x
  2. Step 2: Convert to fraction form
    453,789.92/680,604.69 = 169,416.74/x
  3. Step 3: Cross multiply
    453,789.92x = 680,604.69 × 169,416.74
  4. Step 4: Simplify right side
    453,789.92x = 115,305,827,808.51
  5. Step 5: Solve for x
    x = 115,305,827,808.51/453,789.92
  6. Step 6: Final answer
    x = 254,095.17

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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.