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Finding the Fourth Proportional to 458,634.87, 632,894.94 and 254,698.86

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Solution

The fourth proportional to 458,634.87, 632,894.94 and 254,698.86 is: 351,472.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,634.87 : 632,894.94 = 254,698.86 : x
  2. Step 2: Convert to fraction form
    458,634.87/632,894.94 = 254,698.86/x
  3. Step 3: Cross multiply
    458,634.87x = 632,894.94 × 254,698.86
  4. Step 4: Simplify right side
    458,634.87x = 161,197,619,717.77
  5. Step 5: Solve for x
    x = 161,197,619,717.77/458,634.87
  6. Step 6: Final answer
    x = 351,472.66

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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.