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Finding the Fourth Proportional to 483,745.60, 725,618.40 and 168,097.60

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Solution

The fourth proportional to 483,745.60, 725,618.40 and 168,097.60 is: 252,146.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,745.60 : 725,618.40 = 168,097.60 : x
  2. Step 2: Convert to fraction form
    483,745.60/725,618.40 = 168,097.60/x
  3. Step 3: Cross multiply
    483,745.60x = 725,618.40 × 168,097.60
  4. Step 4: Simplify right side
    483,745.60x = 121,974,711,555.84
  5. Step 5: Solve for x
    x = 121,974,711,555.84/483,745.60
  6. Step 6: Final answer
    x = 252,146.40

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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.