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Finding the Fourth Proportional to 465,489.60, 698,234.40 and 276,532.80

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Solution

The fourth proportional to 465,489.60, 698,234.40 and 276,532.80 is: 414,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,489.60 : 698,234.40 = 276,532.80 : x
  2. Step 2: Convert to fraction form
    465,489.60/698,234.40 = 276,532.80/x
  3. Step 3: Cross multiply
    465,489.60x = 698,234.40 × 276,532.80
  4. Step 4: Simplify right side
    465,489.60x = 193,084,713,688.32
  5. Step 5: Solve for x
    x = 193,084,713,688.32/465,489.60
  6. Step 6: Final answer
    x = 414,799.20

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Similar ratio
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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.