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Finding the Fourth Proportional to 398,614.12, 597,921.18 and 273,576.04

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Solution

The fourth proportional to 398,614.12, 597,921.18 and 273,576.04 is: 410,364.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,614.12 : 597,921.18 = 273,576.04 : x
  2. Step 2: Convert to fraction form
    398,614.12/597,921.18 = 273,576.04/x
  3. Step 3: Cross multiply
    398,614.12x = 597,921.18 × 273,576.04
  4. Step 4: Simplify right side
    398,614.12x = 163,576,908,656.53
  5. Step 5: Solve for x
    x = 163,576,908,656.53/398,614.12
  6. Step 6: Final answer
    x = 410,364.06

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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.