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Finding the Fourth Proportional to 652,912.84, 981,138.30 and 353,614.60

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Solution

The fourth proportional to 652,912.84, 981,138.30 and 353,614.60 is: 531,380.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,912.84 : 981,138.30 = 353,614.60 : x
  2. Step 2: Convert to fraction form
    652,912.84/981,138.30 = 353,614.60/x
  3. Step 3: Cross multiply
    652,912.84x = 981,138.30 × 353,614.60
  4. Step 4: Simplify right side
    652,912.84x = 346,944,827,499.18
  5. Step 5: Solve for x
    x = 346,944,827,499.18/652,912.84
  6. Step 6: Final answer
    x = 531,380.00

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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.