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Finding the Fourth Proportional to 425,389.14, 587,049.36 and 234,414.84

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Solution

The fourth proportional to 425,389.14, 587,049.36 and 234,414.84 is: 323,499.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,389.14 : 587,049.36 = 234,414.84 : x
  2. Step 2: Convert to fraction form
    425,389.14/587,049.36 = 234,414.84/x
  3. Step 3: Cross multiply
    425,389.14x = 587,049.36 × 234,414.84
  4. Step 4: Simplify right side
    425,389.14x = 137,613,081,796.50
  5. Step 5: Solve for x
    x = 137,613,081,796.50/425,389.14
  6. Step 6: Final answer
    x = 323,499.28

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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.