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Finding the Fourth Proportional to 404,006.76, 605,340.36 and 245,756.52

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Solution

The fourth proportional to 404,006.76, 605,340.36 and 245,756.52 is: 368,227.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,006.76 : 605,340.36 = 245,756.52 : x
  2. Step 2: Convert to fraction form
    404,006.76/605,340.36 = 245,756.52/x
  3. Step 3: Cross multiply
    404,006.76x = 605,340.36 × 245,756.52
  4. Step 4: Simplify right side
    404,006.76x = 148,766,340,289.15
  5. Step 5: Solve for x
    x = 148,766,340,289.15/404,006.76
  6. Step 6: Final answer
    x = 368,227.35

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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.