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Finding the Fourth Proportional to 486,066.20, 729,099.30 and 486,066.20

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Solution

The fourth proportional to 486,066.20, 729,099.30 and 486,066.20 is: 729,099.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,066.20 : 729,099.30 = 486,066.20 : x
  2. Step 2: Convert to fraction form
    486,066.20/729,099.30 = 486,066.20/x
  3. Step 3: Cross multiply
    486,066.20x = 729,099.30 × 486,066.20
  4. Step 4: Simplify right side
    486,066.20x = 354,390,526,173.66
  5. Step 5: Solve for x
    x = 354,390,526,173.66/486,066.20
  6. Step 6: Final answer
    x = 729,099.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.