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Finding the Fourth Proportional to 646,937.52, 965,857.28 and 494,335.92

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Solution

The fourth proportional to 646,937.52, 965,857.28 and 494,335.92 is: 738,027.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,937.52 : 965,857.28 = 494,335.92 : x
  2. Step 2: Convert to fraction form
    646,937.52/965,857.28 = 494,335.92/x
  3. Step 3: Cross multiply
    646,937.52x = 965,857.28 × 494,335.92
  4. Step 4: Simplify right side
    646,937.52x = 477,457,947,097.50
  5. Step 5: Solve for x
    x = 477,457,947,097.50/646,937.52
  6. Step 6: Final answer
    x = 738,027.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.