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Finding the Fourth Proportional to 302,693.20, 454,039.80 and 269,450.80

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Solution

The fourth proportional to 302,693.20, 454,039.80 and 269,450.80 is: 404,176.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,693.20 : 454,039.80 = 269,450.80 : x
  2. Step 2: Convert to fraction form
    302,693.20/454,039.80 = 269,450.80/x
  3. Step 3: Cross multiply
    302,693.20x = 454,039.80 × 269,450.80
  4. Step 4: Simplify right side
    302,693.20x = 122,341,387,341.84
  5. Step 5: Solve for x
    x = 122,341,387,341.84/302,693.20
  6. Step 6: Final answer
    x = 404,176.20

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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.