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Finding the Fourth Proportional to 493,532.40, 740,593.55 and 453,379.08

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Solution

The fourth proportional to 493,532.40, 740,593.55 and 453,379.08 is: 680,339.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,532.40 : 740,593.55 = 453,379.08 : x
  2. Step 2: Convert to fraction form
    493,532.40/740,593.55 = 453,379.08/x
  3. Step 3: Cross multiply
    493,532.40x = 740,593.55 × 453,379.08
  4. Step 4: Simplify right side
    493,532.40x = 335,769,622,352.93
  5. Step 5: Solve for x
    x = 335,769,622,352.93/493,532.40
  6. Step 6: Final answer
    x = 680,339.57

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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.