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Finding the Fourth Proportional to 492,052.28, 737,480.64 and 266,878.76

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Solution

The fourth proportional to 492,052.28, 737,480.64 and 266,878.76 is: 399,993.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,052.28 : 737,480.64 = 266,878.76 : x
  2. Step 2: Convert to fraction form
    492,052.28/737,480.64 = 266,878.76/x
  3. Step 3: Cross multiply
    492,052.28x = 737,480.64 × 266,878.76
  4. Step 4: Simplify right side
    492,052.28x = 196,817,918,727.21
  5. Step 5: Solve for x
    x = 196,817,918,727.21/492,052.28
  6. Step 6: Final answer
    x = 399,993.92

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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.