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Finding the Fourth Proportional to 482,905.60, 724,358.40 and 246,709.60

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Solution

The fourth proportional to 482,905.60, 724,358.40 and 246,709.60 is: 370,064.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,905.60 : 724,358.40 = 246,709.60 : x
  2. Step 2: Convert to fraction form
    482,905.60/724,358.40 = 246,709.60/x
  3. Step 3: Cross multiply
    482,905.60x = 724,358.40 × 246,709.60
  4. Step 4: Simplify right side
    482,905.60x = 178,706,171,120.64
  5. Step 5: Solve for x
    x = 178,706,171,120.64/482,905.60
  6. Step 6: Final answer
    x = 370,064.40

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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.