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Finding the Fourth Proportional to 619,951.94, 855,562.04 and 344,310.88

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Solution

The fourth proportional to 619,951.94, 855,562.04 and 344,310.88 is: 475,164.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,951.94 : 855,562.04 = 344,310.88 : x
  2. Step 2: Convert to fraction form
    619,951.94/855,562.04 = 344,310.88/x
  3. Step 3: Cross multiply
    619,951.94x = 855,562.04 × 344,310.88
  4. Step 4: Simplify right side
    619,951.94x = 294,579,314,547.24
  5. Step 5: Solve for x
    x = 294,579,314,547.24/619,951.94
  6. Step 6: Final answer
    x = 475,164.76

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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.