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Finding the Fourth Proportional to 302,694.90, 454,301.55 and 134,474.10

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Solution

The fourth proportional to 302,694.90, 454,301.55 and 134,474.10 is: 201,826.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,694.90 : 454,301.55 = 134,474.10 : x
  2. Step 2: Convert to fraction form
    302,694.90/454,301.55 = 134,474.10/x
  3. Step 3: Cross multiply
    302,694.90x = 454,301.55 × 134,474.10
  4. Step 4: Simplify right side
    302,694.90x = 61,091,792,064.86
  5. Step 5: Solve for x
    x = 61,091,792,064.86/302,694.90
  6. Step 6: Final answer
    x = 201,826.30

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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.