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Finding the Fourth Proportional to 425,168.21, 586,732.10 and 234,181.59

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Solution

The fourth proportional to 425,168.21, 586,732.10 and 234,181.59 is: 323,170.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,168.21 : 586,732.10 = 234,181.59 : x
  2. Step 2: Convert to fraction form
    425,168.21/586,732.10 = 234,181.59/x
  3. Step 3: Cross multiply
    425,168.21x = 586,732.10 × 234,181.59
  4. Step 4: Simplify right side
    425,168.21x = 137,401,856,667.49
  5. Step 5: Solve for x
    x = 137,401,856,667.49/425,168.21
  6. Step 6: Final answer
    x = 323,170.58

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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.