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Finding the Fourth Proportional to 493,614.80, 740,422.20 and 450,069.20

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Solution

The fourth proportional to 493,614.80, 740,422.20 and 450,069.20 is: 675,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,614.80 : 740,422.20 = 450,069.20 : x
  2. Step 2: Convert to fraction form
    493,614.80/740,422.20 = 450,069.20/x
  3. Step 3: Cross multiply
    493,614.80x = 740,422.20 × 450,069.20
  4. Step 4: Simplify right side
    493,614.80x = 333,241,227,216.24
  5. Step 5: Solve for x
    x = 333,241,227,216.24/493,614.80
  6. Step 6: Final answer
    x = 675,103.80

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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.