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Finding the Fourth Proportional to 346,124.80, 518,895.60 and 179,912.80

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Solution

The fourth proportional to 346,124.80, 518,895.60 and 179,912.80 is: 269,717.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,124.80 : 518,895.60 = 179,912.80 : x
  2. Step 2: Convert to fraction form
    346,124.80/518,895.60 = 179,912.80/x
  3. Step 3: Cross multiply
    346,124.80x = 518,895.60 × 179,912.80
  4. Step 4: Simplify right side
    346,124.80x = 93,355,960,303.68
  5. Step 5: Solve for x
    x = 93,355,960,303.68/346,124.80
  6. Step 6: Final answer
    x = 269,717.63

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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.