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Finding the Fourth Proportional to 534,706.11, 737,894.61 and 292,986.72

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Solution

The fourth proportional to 534,706.11, 737,894.61 and 292,986.72 is: 404,321.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,706.11 : 737,894.61 = 292,986.72 : x
  2. Step 2: Convert to fraction form
    534,706.11/737,894.61 = 292,986.72/x
  3. Step 3: Cross multiply
    534,706.11x = 737,894.61 × 292,986.72
  4. Step 4: Simplify right side
    534,706.11x = 216,193,321,489.58
  5. Step 5: Solve for x
    x = 216,193,321,489.58/534,706.11
  6. Step 6: Final answer
    x = 404,321.77

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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.