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Finding the Fourth Proportional to 493,829.33, 681,474.69 and 276,036.94

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Solution

The fourth proportional to 493,829.33, 681,474.69 and 276,036.94 is: 380,925.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,829.33 : 681,474.69 = 276,036.94 : x
  2. Step 2: Convert to fraction form
    493,829.33/681,474.69 = 276,036.94/x
  3. Step 3: Cross multiply
    493,829.33x = 681,474.69 × 276,036.94
  4. Step 4: Simplify right side
    493,829.33x = 188,112,188,115.05
  5. Step 5: Solve for x
    x = 188,112,188,115.05/493,829.33
  6. Step 6: Final answer
    x = 380,925.51

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1.5x scale

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.