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Finding the Fourth Proportional to 632,902.98, 873,408.90 and 342,514.59

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Solution

The fourth proportional to 632,902.98, 873,408.90 and 342,514.59 is: 472,671.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,902.98 : 873,408.90 = 342,514.59 : x
  2. Step 2: Convert to fraction form
    632,902.98/873,408.90 = 342,514.59/x
  3. Step 3: Cross multiply
    632,902.98x = 873,408.90 × 342,514.59
  4. Step 4: Simplify right side
    632,902.98x = 299,155,293,244.59
  5. Step 5: Solve for x
    x = 299,155,293,244.59/632,902.98
  6. Step 6: Final answer
    x = 472,671.64

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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.