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Finding the Fourth Proportional to 297,808.60, 446,712.90 and 283,984.60

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Solution

The fourth proportional to 297,808.60, 446,712.90 and 283,984.60 is: 425,976.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,808.60 : 446,712.90 = 283,984.60 : x
  2. Step 2: Convert to fraction form
    297,808.60/446,712.90 = 283,984.60/x
  3. Step 3: Cross multiply
    297,808.60x = 446,712.90 × 283,984.60
  4. Step 4: Simplify right side
    297,808.60x = 126,859,584,221.34
  5. Step 5: Solve for x
    x = 126,859,584,221.34/297,808.60
  6. Step 6: Final answer
    x = 425,976.90

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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.