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Finding the Fourth Proportional to 483,946.40, 725,919.60 and 168,435.20

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Solution

The fourth proportional to 483,946.40, 725,919.60 and 168,435.20 is: 252,652.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,946.40 : 725,919.60 = 168,435.20 : x
  2. Step 2: Convert to fraction form
    483,946.40/725,919.60 = 168,435.20/x
  3. Step 3: Cross multiply
    483,946.40x = 725,919.60 × 168,435.20
  4. Step 4: Simplify right side
    483,946.40x = 122,270,413,009.92
  5. Step 5: Solve for x
    x = 122,270,413,009.92/483,946.40
  6. Step 6: Final answer
    x = 252,652.80

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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.