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Finding the Fourth Proportional to 569,857.96, 853,417.11 and 325,959.82

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Solution

The fourth proportional to 569,857.96, 853,417.11 and 325,959.82 is: 488,156.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,857.96 : 853,417.11 = 325,959.82 : x
  2. Step 2: Convert to fraction form
    569,857.96/853,417.11 = 325,959.82/x
  3. Step 3: Cross multiply
    569,857.96x = 853,417.11 × 325,959.82
  4. Step 4: Simplify right side
    569,857.96x = 278,179,685,930.72
  5. Step 5: Solve for x
    x = 278,179,685,930.72/569,857.96
  6. Step 6: Final answer
    x = 488,156.18

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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.