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Finding the Fourth Proportional to 555,720.20, 833,580.30 and 200,745.80

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Solution

The fourth proportional to 555,720.20, 833,580.30 and 200,745.80 is: 301,118.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,720.20 : 833,580.30 = 200,745.80 : x
  2. Step 2: Convert to fraction form
    555,720.20/833,580.30 = 200,745.80/x
  3. Step 3: Cross multiply
    555,720.20x = 833,580.30 × 200,745.80
  4. Step 4: Simplify right side
    555,720.20x = 167,337,744,187.74
  5. Step 5: Solve for x
    x = 167,337,744,187.74/555,720.20
  6. Step 6: Final answer
    x = 301,118.70

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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.