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Finding the Fourth Proportional to 397,791.61, 595,737.65 and 228,957.05

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Solution

The fourth proportional to 397,791.61, 595,737.65 and 228,957.05 is: 342,888.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,791.61 : 595,737.65 = 228,957.05 : x
  2. Step 2: Convert to fraction form
    397,791.61/595,737.65 = 228,957.05/x
  3. Step 3: Cross multiply
    397,791.61x = 595,737.65 × 228,957.05
  4. Step 4: Simplify right side
    397,791.61x = 136,398,336,979.67
  5. Step 5: Solve for x
    x = 136,398,336,979.67/397,791.61
  6. Step 6: Final answer
    x = 342,888.93

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Why These Related Problems?

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