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Finding the Fourth Proportional to 264,624.40, 396,936.60 and 185,827.60

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Solution

The fourth proportional to 264,624.40, 396,936.60 and 185,827.60 is: 278,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,624.40 : 396,936.60 = 185,827.60 : x
  2. Step 2: Convert to fraction form
    264,624.40/396,936.60 = 185,827.60/x
  3. Step 3: Cross multiply
    264,624.40x = 396,936.60 × 185,827.60
  4. Step 4: Simplify right side
    264,624.40x = 73,761,775,730.16
  5. Step 5: Solve for x
    x = 73,761,775,730.16/264,624.40
  6. Step 6: Final answer
    x = 278,741.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.