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Finding the Fourth Proportional to 493,533.28, 740,594.86 and 453,379.96

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Solution

The fourth proportional to 493,533.28, 740,594.86 and 453,379.96 is: 680,340.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,533.28 : 740,594.86 = 453,379.96 : x
  2. Step 2: Convert to fraction form
    493,533.28/740,594.86 = 453,379.96/x
  3. Step 3: Cross multiply
    493,533.28x = 740,594.86 × 453,379.96
  4. Step 4: Simplify right side
    493,533.28x = 335,770,868,003.01
  5. Step 5: Solve for x
    x = 335,770,868,003.01/493,533.28
  6. Step 6: Final answer
    x = 680,340.88

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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.