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Finding the Fourth Proportional to 632,885.85, 873,381.02 and 346,403.43

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Solution

The fourth proportional to 632,885.85, 873,381.02 and 346,403.43 is: 478,035.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,885.85 : 873,381.02 = 346,403.43 : x
  2. Step 2: Convert to fraction form
    632,885.85/873,381.02 = 346,403.43/x
  3. Step 3: Cross multiply
    632,885.85x = 873,381.02 × 346,403.43
  4. Step 4: Simplify right side
    632,885.85x = 302,542,179,292.88
  5. Step 5: Solve for x
    x = 302,542,179,292.88/632,885.85
  6. Step 6: Final answer
    x = 478,035.94

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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.