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Finding the Fourth Proportional to 632,885.85, 873,375.08 and 342,490.68

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Solution

The fourth proportional to 632,885.85, 873,375.08 and 342,490.68 is: 472,633.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,885.85 : 873,375.08 = 342,490.68 : x
  2. Step 2: Convert to fraction form
    632,885.85/873,375.08 = 342,490.68/x
  3. Step 3: Cross multiply
    632,885.85x = 873,375.08 × 342,490.68
  4. Step 4: Simplify right side
    632,885.85x = 299,122,823,331.80
  5. Step 5: Solve for x
    x = 299,122,823,331.80/632,885.85
  6. Step 6: Final answer
    x = 472,633.13

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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.