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Finding the Fourth Proportional to 408,068.10, 612,102.15 and 303,092.10

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Solution

The fourth proportional to 408,068.10, 612,102.15 and 303,092.10 is: 454,638.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,068.10 : 612,102.15 = 303,092.10 : x
  2. Step 2: Convert to fraction form
    408,068.10/612,102.15 = 303,092.10/x
  3. Step 3: Cross multiply
    408,068.10x = 612,102.15 × 303,092.10
  4. Step 4: Simplify right side
    408,068.10x = 185,523,326,058.02
  5. Step 5: Solve for x
    x = 185,523,326,058.02/408,068.10
  6. Step 6: Final answer
    x = 454,638.15

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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.