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Finding the Fourth Proportional to 302,880.48, 453,738.42 and 169,355.76

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Solution

The fourth proportional to 302,880.48, 453,738.42 and 169,355.76 is: 253,708.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,880.48 : 453,738.42 = 169,355.76 : x
  2. Step 2: Convert to fraction form
    302,880.48/453,738.42 = 169,355.76/x
  3. Step 3: Cross multiply
    302,880.48x = 453,738.42 × 169,355.76
  4. Step 4: Simplify right side
    302,880.48x = 76,843,214,960.30
  5. Step 5: Solve for x
    x = 76,843,214,960.30/302,880.48
  6. Step 6: Final answer
    x = 253,708.05

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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.