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Finding the Fourth Proportional to 302,783.99, 454,160.87 and 113,230.42

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Solution

The fourth proportional to 302,783.99, 454,160.87 and 113,230.42 is: 169,839.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,783.99 : 454,160.87 = 113,230.42 : x
  2. Step 2: Convert to fraction form
    302,783.99/454,160.87 = 113,230.42/x
  3. Step 3: Cross multiply
    302,783.99x = 454,160.87 × 113,230.42
  4. Step 4: Simplify right side
    302,783.99x = 51,424,823,786.86
  5. Step 5: Solve for x
    x = 51,424,823,786.86/302,783.99
  6. Step 6: Final answer
    x = 169,839.97

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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.