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Finding the Fourth Proportional to 465,635.40, 698,453.10 and 133,211.40

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Solution

The fourth proportional to 465,635.40, 698,453.10 and 133,211.40 is: 199,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,635.40 : 698,453.10 = 133,211.40 : x
  2. Step 2: Convert to fraction form
    465,635.40/698,453.10 = 133,211.40/x
  3. Step 3: Cross multiply
    465,635.40x = 698,453.10 × 133,211.40
  4. Step 4: Simplify right side
    465,635.40x = 93,041,915,285.34
  5. Step 5: Solve for x
    x = 93,041,915,285.34/465,635.40
  6. Step 6: Final answer
    x = 199,817.10

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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.