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Finding the Fourth Proportional to 361,913.94, 542,870.91 and 247,949.37

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Solution

The fourth proportional to 361,913.94, 542,870.91 and 247,949.37 is: 371,924.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,913.94 : 542,870.91 = 247,949.37 : x
  2. Step 2: Convert to fraction form
    361,913.94/542,870.91 = 247,949.37/x
  3. Step 3: Cross multiply
    361,913.94x = 542,870.91 × 247,949.37
  4. Step 4: Simplify right side
    361,913.94x = 134,604,500,125.83
  5. Step 5: Solve for x
    x = 134,604,500,125.83/361,913.94
  6. Step 6: Final answer
    x = 371,924.06

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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.