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Finding the Fourth Proportional to 477,497.53, 659,040.20 and 273,685.06

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Solution

The fourth proportional to 477,497.53, 659,040.20 and 273,685.06 is: 377,739.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,497.53 : 659,040.20 = 273,685.06 : x
  2. Step 2: Convert to fraction form
    477,497.53/659,040.20 = 273,685.06/x
  3. Step 3: Cross multiply
    477,497.53x = 659,040.20 × 273,685.06
  4. Step 4: Simplify right side
    477,497.53x = 180,369,454,380.78
  5. Step 5: Solve for x
    x = 180,369,454,380.78/477,497.53
  6. Step 6: Final answer
    x = 377,739.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.