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Finding the Fourth Proportional to 433,489.20, 605,703.90 and 433,489.20

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Solution

The fourth proportional to 433,489.20, 605,703.90 and 433,489.20 is: 605,703.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,489.20 : 605,703.90 = 433,489.20 : x
  2. Step 2: Convert to fraction form
    433,489.20/605,703.90 = 433,489.20/x
  3. Step 3: Cross multiply
    433,489.20x = 605,703.90 × 433,489.20
  4. Step 4: Simplify right side
    433,489.20x = 262,566,099,047.88
  5. Step 5: Solve for x
    x = 262,566,099,047.88/433,489.20
  6. Step 6: Final answer
    x = 605,703.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.