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Finding the Fourth Proportional to 489,365.55, 733,838.51 and 264,664.97

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Solution

The fourth proportional to 489,365.55, 733,838.51 and 264,664.97 is: 396,883.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,365.55 : 733,838.51 = 264,664.97 : x
  2. Step 2: Convert to fraction form
    489,365.55/733,838.51 = 264,664.97/x
  3. Step 3: Cross multiply
    489,365.55x = 733,838.51 × 264,664.97
  4. Step 4: Simplify right side
    489,365.55x = 194,221,346,233.99
  5. Step 5: Solve for x
    x = 194,221,346,233.99/489,365.55
  6. Step 6: Final answer
    x = 396,883.98

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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.