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Finding the Fourth Proportional to 306,251.20, 459,188.64 and 119,044.48

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Solution

The fourth proportional to 306,251.20, 459,188.64 and 119,044.48 is: 178,493.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,251.20 : 459,188.64 = 119,044.48 : x
  2. Step 2: Convert to fraction form
    306,251.20/459,188.64 = 119,044.48/x
  3. Step 3: Cross multiply
    306,251.20x = 459,188.64 × 119,044.48
  4. Step 4: Simplify right side
    306,251.20x = 54,663,872,870.71
  5. Step 5: Solve for x
    x = 54,663,872,870.71/306,251.20
  6. Step 6: Final answer
    x = 178,493.58

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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.