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Finding the Fourth Proportional to 483,393.60, 725,090.40 and 413,409.60

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Solution

The fourth proportional to 483,393.60, 725,090.40 and 413,409.60 is: 620,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,393.60 : 725,090.40 = 413,409.60 : x
  2. Step 2: Convert to fraction form
    483,393.60/725,090.40 = 413,409.60/x
  3. Step 3: Cross multiply
    483,393.60x = 725,090.40 × 413,409.60
  4. Step 4: Simplify right side
    483,393.60x = 299,759,332,227.84
  5. Step 5: Solve for x
    x = 299,759,332,227.84/483,393.60
  6. Step 6: Final answer
    x = 620,114.40

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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.