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Finding the Fourth Proportional to 493,767.98, 681,211.94 and 365,015.58

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Solution

The fourth proportional to 493,767.98, 681,211.94 and 365,015.58 is: 503,582.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,767.98 : 681,211.94 = 365,015.58 : x
  2. Step 2: Convert to fraction form
    493,767.98/681,211.94 = 365,015.58/x
  3. Step 3: Cross multiply
    493,767.98x = 681,211.94 × 365,015.58
  4. Step 4: Simplify right side
    493,767.98x = 248,652,971,382.03
  5. Step 5: Solve for x
    x = 248,652,971,382.03/493,767.98
  6. Step 6: Final answer
    x = 503,582.62

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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.