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Finding the Fourth Proportional to 547,750.60, 821,625.90 and 326,566.60

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Solution

The fourth proportional to 547,750.60, 821,625.90 and 326,566.60 is: 489,849.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,750.60 : 821,625.90 = 326,566.60 : x
  2. Step 2: Convert to fraction form
    547,750.60/821,625.90 = 326,566.60/x
  3. Step 3: Cross multiply
    547,750.60x = 821,625.90 × 326,566.60
  4. Step 4: Simplify right side
    547,750.60x = 268,315,576,634.94
  5. Step 5: Solve for x
    x = 268,315,576,634.94/547,750.60
  6. Step 6: Final answer
    x = 489,849.90

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Similar ratio
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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.