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Finding the Fourth Proportional to 492,177.72, 737,776.03 and 207,939.81

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Solution

The fourth proportional to 492,177.72, 737,776.03 and 207,939.81 is: 311,702.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,177.72 : 737,776.03 = 207,939.81 : x
  2. Step 2: Convert to fraction form
    492,177.72/737,776.03 = 207,939.81/x
  3. Step 3: Cross multiply
    492,177.72x = 737,776.03 × 207,939.81
  4. Step 4: Simplify right side
    492,177.72x = 153,413,007,500.75
  5. Step 5: Solve for x
    x = 153,413,007,500.75/492,177.72
  6. Step 6: Final answer
    x = 311,702.46

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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.