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Finding the Fourth Proportional to 345,366.48, 517,614.60 and 185,044.80

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Solution

The fourth proportional to 345,366.48, 517,614.60 and 185,044.80 is: 277,334.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,366.48 : 517,614.60 = 185,044.80 : x
  2. Step 2: Convert to fraction form
    345,366.48/517,614.60 = 185,044.80/x
  3. Step 3: Cross multiply
    345,366.48x = 517,614.60 × 185,044.80
  4. Step 4: Simplify right side
    345,366.48x = 95,781,892,769.05
  5. Step 5: Solve for x
    x = 95,781,892,769.05/345,366.48
  6. Step 6: Final answer
    x = 277,334.07

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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.