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Finding the Fourth Proportional to 610,704.33, 915,122.34 and 326,435.37

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Solution

The fourth proportional to 610,704.33, 915,122.34 and 326,435.37 is: 489,153.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,704.33 : 915,122.34 = 326,435.37 : x
  2. Step 2: Convert to fraction form
    610,704.33/915,122.34 = 326,435.37/x
  3. Step 3: Cross multiply
    610,704.33x = 915,122.34 × 326,435.37
  4. Step 4: Simplify right side
    610,704.33x = 298,728,299,653.17
  5. Step 5: Solve for x
    x = 298,728,299,653.17/610,704.33
  6. Step 6: Final answer
    x = 489,153.73

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1.5x scale

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.