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Finding the Fourth Proportional to 489,366.55, 733,840.01 and 264,665.97

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Solution

The fourth proportional to 489,366.55, 733,840.01 and 264,665.97 is: 396,885.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,366.55 : 733,840.01 = 264,665.97 : x
  2. Step 2: Convert to fraction form
    489,366.55/733,840.01 = 264,665.97/x
  3. Step 3: Cross multiply
    489,366.55x = 733,840.01 × 264,665.97
  4. Step 4: Simplify right side
    489,366.55x = 194,222,478,071.46
  5. Step 5: Solve for x
    x = 194,222,478,071.46/489,366.55
  6. Step 6: Final answer
    x = 396,885.48

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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.