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Finding the Fourth Proportional to 489,517.55, 734,426.66 and 233,676.59

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Solution

The fourth proportional to 489,517.55, 734,426.66 and 233,676.59 is: 350,586.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,517.55 : 734,426.66 = 233,676.59 : x
  2. Step 2: Convert to fraction form
    489,517.55/734,426.66 = 233,676.59/x
  3. Step 3: Cross multiply
    489,517.55x = 734,426.66 × 233,676.59
  4. Step 4: Simplify right side
    489,517.55x = 171,618,312,673.37
  5. Step 5: Solve for x
    x = 171,618,312,673.37/489,517.55
  6. Step 6: Final answer
    x = 350,586.64

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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.