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Finding the Fourth Proportional to 344,281.66, 475,078.44 and 191,310.16

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Solution

The fourth proportional to 344,281.66, 475,078.44 and 191,310.16 is: 263,991.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,281.66 : 475,078.44 = 191,310.16 : x
  2. Step 2: Convert to fraction form
    344,281.66/475,078.44 = 191,310.16/x
  3. Step 3: Cross multiply
    344,281.66x = 475,078.44 × 191,310.16
  4. Step 4: Simplify right side
    344,281.66x = 90,887,331,898.67
  5. Step 5: Solve for x
    x = 90,887,331,898.67/344,281.66
  6. Step 6: Final answer
    x = 263,991.21

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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.