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Finding the Fourth Proportional to 344,903.25, 475,956.74 and 191,939.00

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Solution

The fourth proportional to 344,903.25, 475,956.74 and 191,939.00 is: 264,870.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,903.25 : 475,956.74 = 191,939.00 : x
  2. Step 2: Convert to fraction form
    344,903.25/475,956.74 = 191,939.00/x
  3. Step 3: Cross multiply
    344,903.25x = 475,956.74 × 191,939.00
  4. Step 4: Simplify right side
    344,903.25x = 91,354,657,379.38
  5. Step 5: Solve for x
    x = 91,354,657,379.38/344,903.25
  6. Step 6: Final answer
    x = 264,870.39

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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.