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Finding the Fourth Proportional to 294,177.17, 405,951.71 and 163,346.69

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Solution

The fourth proportional to 294,177.17, 405,951.71 and 163,346.69 is: 225,411.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,177.17 : 405,951.71 = 163,346.69 : x
  2. Step 2: Convert to fraction form
    294,177.17/405,951.71 = 163,346.69/x
  3. Step 3: Cross multiply
    294,177.17x = 405,951.71 × 163,346.69
  4. Step 4: Simplify right side
    294,177.17x = 66,310,866,506.95
  5. Step 5: Solve for x
    x = 66,310,866,506.95/294,177.17
  6. Step 6: Final answer
    x = 225,411.33

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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.