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Finding the Fourth Proportional to 366,966.20, 550,449.30 and 307,917.20

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Solution

The fourth proportional to 366,966.20, 550,449.30 and 307,917.20 is: 461,875.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,966.20 : 550,449.30 = 307,917.20 : x
  2. Step 2: Convert to fraction form
    366,966.20/550,449.30 = 307,917.20/x
  3. Step 3: Cross multiply
    366,966.20x = 550,449.30 × 307,917.20
  4. Step 4: Simplify right side
    366,966.20x = 169,492,807,197.96
  5. Step 5: Solve for x
    x = 169,492,807,197.96/366,966.20
  6. Step 6: Final answer
    x = 461,875.80

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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.