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Finding the Fourth Proportional to 453,709.43, 680,564.16 and 169,422.18

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Solution

The fourth proportional to 453,709.43, 680,564.16 and 169,422.18 is: 254,133.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,709.43 : 680,564.16 = 169,422.18 : x
  2. Step 2: Convert to fraction form
    453,709.43/680,564.16 = 169,422.18/x
  3. Step 3: Cross multiply
    453,709.43x = 680,564.16 × 169,422.18
  4. Step 4: Simplify right side
    453,709.43x = 115,302,662,339.21
  5. Step 5: Solve for x
    x = 115,302,662,339.21/453,709.43
  6. Step 6: Final answer
    x = 254,133.27

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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.