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Finding the Fourth Proportional to 303,251.52, 454,129.74 and 190,652.40

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Solution

The fourth proportional to 303,251.52, 454,129.74 and 190,652.40 is: 285,508.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,251.52 : 454,129.74 = 190,652.40 : x
  2. Step 2: Convert to fraction form
    303,251.52/454,129.74 = 190,652.40/x
  3. Step 3: Cross multiply
    303,251.52x = 454,129.74 × 190,652.40
  4. Step 4: Simplify right side
    303,251.52x = 86,580,924,842.38
  5. Step 5: Solve for x
    x = 86,580,924,842.38/303,251.52
  6. Step 6: Final answer
    x = 285,508.63

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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.