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Finding the Fourth Proportional to 458,831.48, 633,288.72 and 254,952.49

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Solution

The fourth proportional to 458,831.48, 633,288.72 and 254,952.49 is: 351,890.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,831.48 : 633,288.72 = 254,952.49 : x
  2. Step 2: Convert to fraction form
    458,831.48/633,288.72 = 254,952.49/x
  3. Step 3: Cross multiply
    458,831.48x = 633,288.72 × 254,952.49
  4. Step 4: Simplify right side
    458,831.48x = 161,458,536,052.91
  5. Step 5: Solve for x
    x = 161,458,536,052.91/458,831.48
  6. Step 6: Final answer
    x = 351,890.71

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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.