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Finding the Fourth Proportional to 303,044.36, 454,468.12 and 143,095.55

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Solution

The fourth proportional to 303,044.36, 454,468.12 and 143,095.55 is: 214,596.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,044.36 : 454,468.12 = 143,095.55 : x
  2. Step 2: Convert to fraction form
    303,044.36/454,468.12 = 143,095.55/x
  3. Step 3: Cross multiply
    303,044.36x = 454,468.12 × 143,095.55
  4. Step 4: Simplify right side
    303,044.36x = 65,032,362,958.79
  5. Step 5: Solve for x
    x = 65,032,362,958.79/303,044.36
  6. Step 6: Final answer
    x = 214,596.85

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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.