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Finding the Fourth Proportional to 585,449.98, 807,910.44 and 330,795.70

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Solution

The fourth proportional to 585,449.98, 807,910.44 and 330,795.70 is: 456,492.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,449.98 : 807,910.44 = 330,795.70 : x
  2. Step 2: Convert to fraction form
    585,449.98/807,910.44 = 330,795.70/x
  3. Step 3: Cross multiply
    585,449.98x = 807,910.44 × 330,795.70
  4. Step 4: Simplify right side
    585,449.98x = 267,253,299,537.11
  5. Step 5: Solve for x
    x = 267,253,299,537.11/585,449.98
  6. Step 6: Final answer
    x = 456,492.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.