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Finding the Fourth Proportional to 302,451.30, 453,678.24 and 122,540.24

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Solution

The fourth proportional to 302,451.30, 453,678.24 and 122,540.24 is: 183,810.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,451.30 : 453,678.24 = 122,540.24 : x
  2. Step 2: Convert to fraction form
    302,451.30/453,678.24 = 122,540.24/x
  3. Step 3: Cross multiply
    302,451.30x = 453,678.24 × 122,540.24
  4. Step 4: Simplify right side
    302,451.30x = 55,593,838,143.99
  5. Step 5: Solve for x
    x = 55,593,838,143.99/302,451.30
  6. Step 6: Final answer
    x = 183,810.88

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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.