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Finding the Fourth Proportional to 408,052.95, 612,079.43 and 408,052.95

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Solution

The fourth proportional to 408,052.95, 612,079.43 and 408,052.95 is: 612,079.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,052.95 : 612,079.43 = 408,052.95 : x
  2. Step 2: Convert to fraction form
    408,052.95/612,079.43 = 408,052.95/x
  3. Step 3: Cross multiply
    408,052.95x = 612,079.43 × 408,052.95
  4. Step 4: Simplify right side
    408,052.95x = 249,760,815,005.55
  5. Step 5: Solve for x
    x = 249,760,815,005.55/408,052.95
  6. Step 6: Final answer
    x = 612,079.43

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.