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Finding the Fourth Proportional to 366,829.45, 513,911.15 and 366,829.45

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Solution

The fourth proportional to 366,829.45, 513,911.15 and 366,829.45 is: 513,911.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,829.45 : 513,911.15 = 366,829.45 : x
  2. Step 2: Convert to fraction form
    366,829.45/513,911.15 = 366,829.45/x
  3. Step 3: Cross multiply
    366,829.45x = 513,911.15 × 366,829.45
  4. Step 4: Simplify right side
    366,829.45x = 188,517,744,503.37
  5. Step 5: Solve for x
    x = 188,517,744,503.37/366,829.45
  6. Step 6: Final answer
    x = 513,911.15

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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.