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Finding the Fourth Proportional to 482,768.40, 724,152.60 and 451,664.40

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Solution

The fourth proportional to 482,768.40, 724,152.60 and 451,664.40 is: 677,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,768.40 : 724,152.60 = 451,664.40 : x
  2. Step 2: Convert to fraction form
    482,768.40/724,152.60 = 451,664.40/x
  3. Step 3: Cross multiply
    482,768.40x = 724,152.60 × 451,664.40
  4. Step 4: Simplify right side
    482,768.40x = 327,073,949,587.44
  5. Step 5: Solve for x
    x = 327,073,949,587.44/482,768.40
  6. Step 6: Final answer
    x = 677,496.60

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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.