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Finding the Fourth Proportional to 323,710.39, 446,778.03 and 202,955.17

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Solution

The fourth proportional to 323,710.39, 446,778.03 and 202,955.17 is: 280,114.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,710.39 : 446,778.03 = 202,955.17 : x
  2. Step 2: Convert to fraction form
    323,710.39/446,778.03 = 202,955.17/x
  3. Step 3: Cross multiply
    323,710.39x = 446,778.03 × 202,955.17
  4. Step 4: Simplify right side
    323,710.39x = 90,675,911,030.92
  5. Step 5: Solve for x
    x = 90,675,911,030.92/323,710.39
  6. Step 6: Final answer
    x = 280,114.31

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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.