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Finding the Fourth Proportional to 375,247.56, 517,831.59 and 214,099.68

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Solution

The fourth proportional to 375,247.56, 517,831.59 and 214,099.68 is: 295,451.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,247.56 : 517,831.59 = 214,099.68 : x
  2. Step 2: Convert to fraction form
    375,247.56/517,831.59 = 214,099.68/x
  3. Step 3: Cross multiply
    375,247.56x = 517,831.59 × 214,099.68
  4. Step 4: Simplify right side
    375,247.56x = 110,867,577,712.89
  5. Step 5: Solve for x
    x = 110,867,577,712.89/375,247.56
  6. Step 6: Final answer
    x = 295,451.83

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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.