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Finding the Fourth Proportional to 496,466.82, 745,166.70 and 259,979.22

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Solution

The fourth proportional to 496,466.82, 745,166.70 and 259,979.22 is: 390,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,466.82 : 745,166.70 = 259,979.22 : x
  2. Step 2: Convert to fraction form
    496,466.82/745,166.70 = 259,979.22/x
  3. Step 3: Cross multiply
    496,466.82x = 745,166.70 × 259,979.22
  4. Step 4: Simplify right side
    496,466.82x = 193,727,857,435.97
  5. Step 5: Solve for x
    x = 193,727,857,435.97/496,466.82
  6. Step 6: Final answer
    x = 390,213.10

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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.