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Finding the Fourth Proportional to 580,544.50, 870,825.98 and 220,720.84

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Solution

The fourth proportional to 580,544.50, 870,825.98 and 220,720.84 is: 331,084.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,544.50 : 870,825.98 = 220,720.84 : x
  2. Step 2: Convert to fraction form
    580,544.50/870,825.98 = 220,720.84/x
  3. Step 3: Cross multiply
    580,544.50x = 870,825.98 × 220,720.84
  4. Step 4: Simplify right side
    580,544.50x = 192,209,441,799.42
  5. Step 5: Solve for x
    x = 192,209,441,799.42/580,544.50
  6. Step 6: Final answer
    x = 331,084.77

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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.