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Finding the Fourth Proportional to 492,050.28, 737,477.64 and 266,876.76

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Solution

The fourth proportional to 492,050.28, 737,477.64 and 266,876.76 is: 399,990.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,050.28 : 737,477.64 = 266,876.76 : x
  2. Step 2: Convert to fraction form
    492,050.28/737,477.64 = 266,876.76/x
  3. Step 3: Cross multiply
    492,050.28x = 737,477.64 × 266,876.76
  4. Step 4: Simplify right side
    492,050.28x = 196,815,643,135.65
  5. Step 5: Solve for x
    x = 196,815,643,135.65/492,050.28
  6. Step 6: Final answer
    x = 399,990.92

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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.