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Finding the Fourth Proportional to 366,913.70, 513,057.10 and 366,913.70

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Solution

The fourth proportional to 366,913.70, 513,057.10 and 366,913.70 is: 513,057.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,913.70 : 513,057.10 = 366,913.70 : x
  2. Step 2: Convert to fraction form
    366,913.70/513,057.10 = 366,913.70/x
  3. Step 3: Cross multiply
    366,913.70x = 513,057.10 × 366,913.70
  4. Step 4: Simplify right side
    366,913.70x = 188,247,678,872.27
  5. Step 5: Solve for x
    x = 188,247,678,872.27/366,913.70
  6. Step 6: Final answer
    x = 513,057.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.