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Finding the Fourth Proportional to 425,436.71, 587,101.47 and 234,450.05

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Solution

The fourth proportional to 425,436.71, 587,101.47 and 234,450.05 is: 323,540.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,436.71 : 587,101.47 = 234,450.05 : x
  2. Step 2: Convert to fraction form
    425,436.71/587,101.47 = 234,450.05/x
  3. Step 3: Cross multiply
    425,436.71x = 587,101.47 × 234,450.05
  4. Step 4: Simplify right side
    425,436.71x = 137,645,965,181.88
  5. Step 5: Solve for x
    x = 137,645,965,181.88/425,436.71
  6. Step 6: Final answer
    x = 323,540.41

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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.