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Finding the Fourth Proportional to 332,103, 458,255.88 and 188,847.18

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Solution

The fourth proportional to 332,103, 458,255.88 and 188,847.18 is: 260,582.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,103 : 458,255.88 = 188,847.18 : x
  2. Step 2: Convert to fraction form
    332,103/458,255.88 = 188,847.18/x
  3. Step 3: Cross multiply
    332,103x = 458,255.88 × 188,847.18
  4. Step 4: Simplify right side
    332,103x = 86,540,330,656.42
  5. Step 5: Solve for x
    x = 86,540,330,656.42/332,103
  6. Step 6: Final answer
    x = 260,582.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.