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Finding the Fourth Proportional to 493,895.88, 741,856.32 and 325,658.88

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Solution

The fourth proportional to 493,895.88, 741,856.32 and 325,658.88 is: 489,155.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,895.88 : 741,856.32 = 325,658.88 : x
  2. Step 2: Convert to fraction form
    493,895.88/741,856.32 = 325,658.88/x
  3. Step 3: Cross multiply
    493,895.88x = 741,856.32 × 325,658.88
  4. Step 4: Simplify right side
    493,895.88x = 241,592,098,292.12
  5. Step 5: Solve for x
    x = 241,592,098,292.12/493,895.88
  6. Step 6: Final answer
    x = 489,155.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.