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Finding the Fourth Proportional to 366,927.20, 513,076 and 366,927.20

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Solution

The fourth proportional to 366,927.20, 513,076 and 366,927.20 is: 513,076

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,927.20 : 513,076 = 366,927.20 : x
  2. Step 2: Convert to fraction form
    366,927.20/513,076 = 366,927.20/x
  3. Step 3: Cross multiply
    366,927.20x = 513,076 × 366,927.20
  4. Step 4: Simplify right side
    366,927.20x = 188,261,540,067.20
  5. Step 5: Solve for x
    x = 188,261,540,067.20/366,927.20
  6. Step 6: Final answer
    x = 513,076

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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.