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Finding the Fourth Proportional to 366,820.45, 513,898.55 and 366,820.45

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Solution

The fourth proportional to 366,820.45, 513,898.55 and 366,820.45 is: 513,898.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,820.45 : 513,898.55 = 366,820.45 : x
  2. Step 2: Convert to fraction form
    366,820.45/513,898.55 = 366,820.45/x
  3. Step 3: Cross multiply
    366,820.45x = 513,898.55 × 366,820.45
  4. Step 4: Simplify right side
    366,820.45x = 188,508,497,365.35
  5. Step 5: Solve for x
    x = 188,508,497,365.35/366,820.45
  6. Step 6: Final answer
    x = 513,898.55

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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.