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Finding the Fourth Proportional to 483,742.60, 725,613.90 and 168,094.60

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Solution

The fourth proportional to 483,742.60, 725,613.90 and 168,094.60 is: 252,141.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,742.60 : 725,613.90 = 168,094.60 : x
  2. Step 2: Convert to fraction form
    483,742.60/725,613.90 = 168,094.60/x
  3. Step 3: Cross multiply
    483,742.60x = 725,613.90 × 168,094.60
  4. Step 4: Simplify right side
    483,742.60x = 121,971,778,274.94
  5. Step 5: Solve for x
    x = 121,971,778,274.94/483,742.60
  6. Step 6: Final answer
    x = 252,141.90

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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.