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Finding the Fourth Proportional to 425,699.28, 587,453.76 and 234,709.44

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Solution

The fourth proportional to 425,699.28, 587,453.76 and 234,709.44 is: 323,892.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,699.28 : 587,453.76 = 234,709.44 : x
  2. Step 2: Convert to fraction form
    425,699.28/587,453.76 = 234,709.44/x
  3. Step 3: Cross multiply
    425,699.28x = 587,453.76 × 234,709.44
  4. Step 4: Simplify right side
    425,699.28x = 137,880,943,035.49
  5. Step 5: Solve for x
    x = 137,880,943,035.49/425,699.28
  6. Step 6: Final answer
    x = 323,892.83

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1.5x scale

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.