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Finding the Fourth Proportional to 471,636.60, 707,010.18 and 234,755.34

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Solution

The fourth proportional to 471,636.60, 707,010.18 and 234,755.34 is: 351,911.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,636.60 : 707,010.18 = 234,755.34 : x
  2. Step 2: Convert to fraction form
    471,636.60/707,010.18 = 234,755.34/x
  3. Step 3: Cross multiply
    471,636.60x = 707,010.18 × 234,755.34
  4. Step 4: Simplify right side
    471,636.60x = 165,974,415,189.36
  5. Step 5: Solve for x
    x = 165,974,415,189.36/471,636.60
  6. Step 6: Final answer
    x = 351,911.65

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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.