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Finding the Fourth Proportional to 469,896.93, 648,458.38 and 255,037.02

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Solution

The fourth proportional to 469,896.93, 648,458.38 and 255,037.02 is: 351,951.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,896.93 : 648,458.38 = 255,037.02 : x
  2. Step 2: Convert to fraction form
    469,896.93/648,458.38 = 255,037.02/x
  3. Step 3: Cross multiply
    469,896.93x = 648,458.38 × 255,037.02
  4. Step 4: Simplify right side
    469,896.93x = 165,380,893,148.02
  5. Step 5: Solve for x
    x = 165,380,893,148.02/469,896.93
  6. Step 6: Final answer
    x = 351,951.42

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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.