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Finding the Fourth Proportional to 632,881.92, 873,373.86 and 342,493.27

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Solution

The fourth proportional to 632,881.92, 873,373.86 and 342,493.27 is: 472,638.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,881.92 : 873,373.86 = 342,493.27 : x
  2. Step 2: Convert to fraction form
    632,881.92/873,373.86 = 342,493.27/x
  3. Step 3: Cross multiply
    632,881.92x = 873,373.86 × 342,493.27
  4. Step 4: Simplify right side
    632,881.92x = 299,124,669,243.92
  5. Step 5: Solve for x
    x = 299,124,669,243.92/632,881.92
  6. Step 6: Final answer
    x = 472,638.99

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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.