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Finding the Fourth Proportional to 493,828.33, 681,473.31 and 276,035.94

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Solution

The fourth proportional to 493,828.33, 681,473.31 and 276,035.94 is: 380,924.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,828.33 : 681,473.31 = 276,035.94 : x
  2. Step 2: Convert to fraction form
    493,828.33/681,473.31 = 276,035.94/x
  3. Step 3: Cross multiply
    493,828.33x = 681,473.31 × 276,035.94
  4. Step 4: Simplify right side
    493,828.33x = 188,111,125,710.76
  5. Step 5: Solve for x
    x = 188,111,125,710.76/493,828.33
  6. Step 6: Final answer
    x = 380,924.13

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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.