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Finding the Fourth Proportional to 632,859.19, 873,347.97 and 342,470.73

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Solution

The fourth proportional to 632,859.19, 873,347.97 and 342,470.73 is: 472,610.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,859.19 : 873,347.97 = 342,470.73 : x
  2. Step 2: Convert to fraction form
    632,859.19/873,347.97 = 342,470.73/x
  3. Step 3: Cross multiply
    632,859.19x = 873,347.97 × 342,470.73
  4. Step 4: Simplify right side
    632,859.19x = 299,096,116,829.92
  5. Step 5: Solve for x
    x = 299,096,116,829.92/632,859.19
  6. Step 6: Final answer
    x = 472,610.85

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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.