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Finding the Fourth Proportional to 544,885.92, 751,946.29 and 303,178.68

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Solution

The fourth proportional to 544,885.92, 751,946.29 and 303,178.68 is: 418,388.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,885.92 : 751,946.29 = 303,178.68 : x
  2. Step 2: Convert to fraction form
    544,885.92/751,946.29 = 303,178.68/x
  3. Step 3: Cross multiply
    544,885.92x = 751,946.29 × 303,178.68
  4. Step 4: Simplify right side
    544,885.92x = 227,974,082,875.15
  5. Step 5: Solve for x
    x = 227,974,082,875.15/544,885.92
  6. Step 6: Final answer
    x = 418,388.65

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Why These Related Problems?

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