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Finding the Fourth Proportional to 286,101.34, 394,793.77 and 169,794.75

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Solution

The fourth proportional to 286,101.34, 394,793.77 and 169,794.75 is: 234,301.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,101.34 : 394,793.77 = 169,794.75 : x
  2. Step 2: Convert to fraction form
    286,101.34/394,793.77 = 169,794.75/x
  3. Step 3: Cross multiply
    286,101.34x = 394,793.77 × 169,794.75
  4. Step 4: Simplify right side
    286,101.34x = 67,033,909,478.71
  5. Step 5: Solve for x
    x = 67,033,909,478.71/286,101.34
  6. Step 6: Final answer
    x = 234,301.28

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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.