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Finding the Fourth Proportional to 483,409.60, 725,114.40 and 247,213.60

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Solution

The fourth proportional to 483,409.60, 725,114.40 and 247,213.60 is: 370,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,409.60 : 725,114.40 = 247,213.60 : x
  2. Step 2: Convert to fraction form
    483,409.60/725,114.40 = 247,213.60/x
  3. Step 3: Cross multiply
    483,409.60x = 725,114.40 × 247,213.60
  4. Step 4: Simplify right side
    483,409.60x = 179,258,141,235.84
  5. Step 5: Solve for x
    x = 179,258,141,235.84/483,409.60
  6. Step 6: Final answer
    x = 370,820.40

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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.