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Finding the Fourth Proportional to 531,847.74, 733,952.28 and 290,129.56

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Solution

The fourth proportional to 531,847.74, 733,952.28 and 290,129.56 is: 400,380.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,847.74 : 733,952.28 = 290,129.56 : x
  2. Step 2: Convert to fraction form
    531,847.74/733,952.28 = 290,129.56/x
  3. Step 3: Cross multiply
    531,847.74x = 733,952.28 × 290,129.56
  4. Step 4: Simplify right side
    531,847.74x = 212,941,252,057.40
  5. Step 5: Solve for x
    x = 212,941,252,057.40/531,847.74
  6. Step 6: Final answer
    x = 400,380.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.