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Finding the Fourth Proportional to 425,436.19, 587,101.94 and 234,449.58

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Solution

The fourth proportional to 425,436.19, 587,101.94 and 234,449.58 is: 323,540.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,436.19 : 587,101.94 = 234,449.58 : x
  2. Step 2: Convert to fraction form
    425,436.19/587,101.94 = 234,449.58/x
  3. Step 3: Cross multiply
    425,436.19x = 587,101.94 × 234,449.58
  4. Step 4: Simplify right side
    425,436.19x = 137,645,801,856.31
  5. Step 5: Solve for x
    x = 137,645,801,856.31/425,436.19
  6. Step 6: Final answer
    x = 323,540.42

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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.