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Finding the Fourth Proportional to 425,742.10, 587,494.08 and 234,751.39

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Solution

The fourth proportional to 425,742.10, 587,494.08 and 234,751.39 is: 323,940.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,742.10 : 587,494.08 = 234,751.39 : x
  2. Step 2: Convert to fraction form
    425,742.10/587,494.08 = 234,751.39/x
  3. Step 3: Cross multiply
    425,742.10x = 587,494.08 × 234,751.39
  4. Step 4: Simplify right side
    425,742.10x = 137,915,051,896.77
  5. Step 5: Solve for x
    x = 137,915,051,896.77/425,742.10
  6. Step 6: Final answer
    x = 323,940.37

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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.