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Finding the Fourth Proportional to 544,409.92, 751,310.64 and 302,717.28

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Solution

The fourth proportional to 544,409.92, 751,310.64 and 302,717.28 is: 417,763.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,409.92 : 751,310.64 = 302,717.28 : x
  2. Step 2: Convert to fraction form
    544,409.92/751,310.64 = 302,717.28/x
  3. Step 3: Cross multiply
    544,409.92x = 751,310.64 × 302,717.28
  4. Step 4: Simplify right side
    544,409.92x = 227,434,713,375.86
  5. Step 5: Solve for x
    x = 227,434,713,375.86/544,409.92
  6. Step 6: Final answer
    x = 417,763.72

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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.