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Finding the Fourth Proportional to 277,980.91, 383,614.32 and 150,656.47

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Solution

The fourth proportional to 277,980.91, 383,614.32 and 150,656.47 is: 207,906.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,980.91 : 383,614.32 = 150,656.47 : x
  2. Step 2: Convert to fraction form
    277,980.91/383,614.32 = 150,656.47/x
  3. Step 3: Cross multiply
    277,980.91x = 383,614.32 × 150,656.47
  4. Step 4: Simplify right side
    277,980.91x = 57,793,979,292.65
  5. Step 5: Solve for x
    x = 57,793,979,292.65/277,980.91
  6. Step 6: Final answer
    x = 207,906.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.