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Finding the Fourth Proportional to 468,636.56, 702,809.48 and 169,078.20

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Solution

The fourth proportional to 468,636.56, 702,809.48 and 169,078.20 is: 253,564.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,636.56 : 702,809.48 = 169,078.20 : x
  2. Step 2: Convert to fraction form
    468,636.56/702,809.48 = 169,078.20/x
  3. Step 3: Cross multiply
    468,636.56x = 702,809.48 × 169,078.20
  4. Step 4: Simplify right side
    468,636.56x = 118,829,761,821.34
  5. Step 5: Solve for x
    x = 118,829,761,821.34/468,636.56
  6. Step 6: Final answer
    x = 253,564.86

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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.