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Finding the Fourth Proportional to 425,953.68, 587,817.72 and 234,964.32

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Solution

The fourth proportional to 425,953.68, 587,817.72 and 234,964.32 is: 324,251.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,953.68 : 587,817.72 = 234,964.32 : x
  2. Step 2: Convert to fraction form
    425,953.68/587,817.72 = 234,964.32/x
  3. Step 3: Cross multiply
    425,953.68x = 587,817.72 × 234,964.32
  4. Step 4: Simplify right side
    425,953.68x = 138,116,190,863.75
  5. Step 5: Solve for x
    x = 138,116,190,863.75/425,953.68
  6. Step 6: Final answer
    x = 324,251.67

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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.