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Finding the Fourth Proportional to 344,878.80, 475,890.96 and 191,880.87

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Solution

The fourth proportional to 344,878.80, 475,890.96 and 191,880.87 is: 264,772.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,878.80 : 475,890.96 = 191,880.87 : x
  2. Step 2: Convert to fraction form
    344,878.80/475,890.96 = 191,880.87/x
  3. Step 3: Cross multiply
    344,878.80x = 475,890.96 × 191,880.87
  4. Step 4: Simplify right side
    344,878.80x = 91,314,371,429.94
  5. Step 5: Solve for x
    x = 91,314,371,429.94/344,878.80
  6. Step 6: Final answer
    x = 264,772.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.