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Finding the Fourth Proportional to 361,892.16, 499,430.88 and 234,676.80

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Solution

The fourth proportional to 361,892.16, 499,430.88 and 234,676.80 is: 323,866.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,892.16 : 499,430.88 = 234,676.80 : x
  2. Step 2: Convert to fraction form
    361,892.16/499,430.88 = 234,676.80/x
  3. Step 3: Cross multiply
    361,892.16x = 499,430.88 × 234,676.80
  4. Step 4: Simplify right side
    361,892.16x = 117,204,840,739.58
  5. Step 5: Solve for x
    x = 117,204,840,739.58/361,892.16
  6. Step 6: Final answer
    x = 323,866.76

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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.