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Finding the Fourth Proportional to 465,634.40, 698,451.60 and 133,210.40

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Solution

The fourth proportional to 465,634.40, 698,451.60 and 133,210.40 is: 199,815.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,634.40 : 698,451.60 = 133,210.40 : x
  2. Step 2: Convert to fraction form
    465,634.40/698,451.60 = 133,210.40/x
  3. Step 3: Cross multiply
    465,634.40x = 698,451.60 × 133,210.40
  4. Step 4: Simplify right side
    465,634.40x = 93,041,017,016.64
  5. Step 5: Solve for x
    x = 93,041,017,016.64/465,634.40
  6. Step 6: Final answer
    x = 199,815.60

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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.