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Finding the Fourth Proportional to 272,981.52, 407,336.90 and 244,612.49

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Solution

The fourth proportional to 272,981.52, 407,336.90 and 244,612.49 is: 365,005.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,981.52 : 407,336.90 = 244,612.49 : x
  2. Step 2: Convert to fraction form
    272,981.52/407,336.90 = 244,612.49/x
  3. Step 3: Cross multiply
    272,981.52x = 407,336.90 × 244,612.49
  4. Step 4: Simplify right side
    272,981.52x = 99,639,690,118.13
  5. Step 5: Solve for x
    x = 99,639,690,118.13/272,981.52
  6. Step 6: Final answer
    x = 365,005.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.