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Finding the Fourth Proportional to 482,914.40, 724,371.60 and 216,683.60

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Solution

The fourth proportional to 482,914.40, 724,371.60 and 216,683.60 is: 325,025.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,914.40 : 724,371.60 = 216,683.60 : x
  2. Step 2: Convert to fraction form
    482,914.40/724,371.60 = 216,683.60/x
  3. Step 3: Cross multiply
    482,914.40x = 724,371.60 × 216,683.60
  4. Step 4: Simplify right side
    482,914.40x = 156,959,446,025.76
  5. Step 5: Solve for x
    x = 156,959,446,025.76/482,914.40
  6. Step 6: Final answer
    x = 325,025.40

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Double scale
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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.