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Finding the Fourth Proportional to 425,967.12, 587,841.03 and 234,976.41

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Solution

The fourth proportional to 425,967.12, 587,841.03 and 234,976.41 is: 324,270.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,967.12 : 587,841.03 = 234,976.41 : x
  2. Step 2: Convert to fraction form
    425,967.12/587,841.03 = 234,976.41/x
  3. Step 3: Cross multiply
    425,967.12x = 587,841.03 × 234,976.41
  4. Step 4: Simplify right side
    425,967.12x = 138,128,774,880.10
  5. Step 5: Solve for x
    x = 138,128,774,880.10/425,967.12
  6. Step 6: Final answer
    x = 324,270.98

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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.