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Finding the Fourth Proportional to 251,574.46, 377,423.35 and 206,671.70

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Solution

The fourth proportional to 251,574.46, 377,423.35 and 206,671.70 is: 310,058.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,574.46 : 377,423.35 = 206,671.70 : x
  2. Step 2: Convert to fraction form
    251,574.46/377,423.35 = 206,671.70/x
  3. Step 3: Cross multiply
    251,574.46x = 377,423.35 × 206,671.70
  4. Step 4: Simplify right side
    251,574.46x = 78,002,725,791.07
  5. Step 5: Solve for x
    x = 78,002,725,791.07/251,574.46
  6. Step 6: Final answer
    x = 310,058.21

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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.