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Finding the Fourth Proportional to 632,753.79, 873,197.89 and 342,364.47

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Solution

The fourth proportional to 632,753.79, 873,197.89 and 342,364.47 is: 472,461.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,753.79 : 873,197.89 = 342,364.47 : x
  2. Step 2: Convert to fraction form
    632,753.79/873,197.89 = 342,364.47/x
  3. Step 3: Cross multiply
    632,753.79x = 873,197.89 × 342,364.47
  4. Step 4: Simplify right side
    632,753.79x = 298,951,932,814.97
  5. Step 5: Solve for x
    x = 298,951,932,814.97/632,753.79
  6. Step 6: Final answer
    x = 472,461.70

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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.