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Finding the Fourth Proportional to 302,679.91, 453,908.08 and 131,880.48

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Solution

The fourth proportional to 302,679.91, 453,908.08 and 131,880.48 is: 197,772.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,679.91 : 453,908.08 = 131,880.48 : x
  2. Step 2: Convert to fraction form
    302,679.91/453,908.08 = 131,880.48/x
  3. Step 3: Cross multiply
    302,679.91x = 453,908.08 × 131,880.48
  4. Step 4: Simplify right side
    302,679.91x = 59,861,615,466.28
  5. Step 5: Solve for x
    x = 59,861,615,466.28/302,679.91
  6. Step 6: Final answer
    x = 197,772.01

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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.