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Finding the Fourth Proportional to 425,700.84, 587,493.63 and 234,713.94

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Solution

The fourth proportional to 425,700.84, 587,493.63 and 234,713.94 is: 323,919.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,700.84 : 587,493.63 = 234,713.94 : x
  2. Step 2: Convert to fraction form
    425,700.84/587,493.63 = 234,713.94/x
  3. Step 3: Cross multiply
    425,700.84x = 587,493.63 × 234,713.94
  4. Step 4: Simplify right side
    425,700.84x = 137,892,944,622.20
  5. Step 5: Solve for x
    x = 137,892,944,622.20/425,700.84
  6. Step 6: Final answer
    x = 323,919.83

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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.