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Finding the Fourth Proportional to 367,561.44, 551,418.66 and 114,831.72

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Solution

The fourth proportional to 367,561.44, 551,418.66 and 114,831.72 is: 172,271.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,561.44 : 551,418.66 = 114,831.72 : x
  2. Step 2: Convert to fraction form
    367,561.44/551,418.66 = 114,831.72/x
  3. Step 3: Cross multiply
    367,561.44x = 551,418.66 × 114,831.72
  4. Step 4: Simplify right side
    367,561.44x = 63,320,353,167.90
  5. Step 5: Solve for x
    x = 63,320,353,167.90/367,561.44
  6. Step 6: Final answer
    x = 172,271.48

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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.