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Finding the Fourth Proportional to 425,618.82, 587,355.75 and 234,628.02

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Solution

The fourth proportional to 425,618.82, 587,355.75 and 234,628.02 is: 323,787.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,618.82 : 587,355.75 = 234,628.02 : x
  2. Step 2: Convert to fraction form
    425,618.82/587,355.75 = 234,628.02/x
  3. Step 3: Cross multiply
    425,618.82x = 587,355.75 × 234,628.02
  4. Step 4: Simplify right side
    425,618.82x = 137,810,116,658.12
  5. Step 5: Solve for x
    x = 137,810,116,658.12/425,618.82
  6. Step 6: Final answer
    x = 323,787.65

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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.