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Finding the Fourth Proportional to 425,907.94, 587,742.66 and 234,917.23

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Solution

The fourth proportional to 425,907.94, 587,742.66 and 234,917.23 is: 324,180.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,907.94 : 587,742.66 = 234,917.23 : x
  2. Step 2: Convert to fraction form
    425,907.94/587,742.66 = 234,917.23/x
  3. Step 3: Cross multiply
    425,907.94x = 587,742.66 × 234,917.23
  4. Step 4: Simplify right side
    425,907.94x = 138,070,877,640.03
  5. Step 5: Solve for x
    x = 138,070,877,640.03/425,907.94
  6. Step 6: Final answer
    x = 324,180.10

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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.