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Finding the Fourth Proportional to 531,678.72, 733,687.34 and 302,204.10

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Solution

The fourth proportional to 531,678.72, 733,687.34 and 302,204.10 is: 417,025.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,678.72 : 733,687.34 = 302,204.10 : x
  2. Step 2: Convert to fraction form
    531,678.72/733,687.34 = 302,204.10/x
  3. Step 3: Cross multiply
    531,678.72x = 733,687.34 × 302,204.10
  4. Step 4: Simplify right side
    531,678.72x = 221,723,322,266.09
  5. Step 5: Solve for x
    x = 221,723,322,266.09/531,678.72
  6. Step 6: Final answer
    x = 417,025.01

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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.