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Finding the Fourth Proportional to 632,717.88, 873,150.71 and 346,237.98

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Solution

The fourth proportional to 632,717.88, 873,150.71 and 346,237.98 is: 477,808.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,717.88 : 873,150.71 = 346,237.98 : x
  2. Step 2: Convert to fraction form
    632,717.88/873,150.71 = 346,237.98/x
  3. Step 3: Cross multiply
    632,717.88x = 873,150.71 × 346,237.98
  4. Step 4: Simplify right side
    632,717.88x = 302,317,936,334.78
  5. Step 5: Solve for x
    x = 302,317,936,334.78/632,717.88
  6. Step 6: Final answer
    x = 477,808.43

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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.