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Finding the Fourth Proportional to 344,643.86, 475,572.26 and 191,657.29

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Solution

The fourth proportional to 344,643.86, 475,572.26 and 191,657.29 is: 264,466.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,643.86 : 475,572.26 = 191,657.29 : x
  2. Step 2: Convert to fraction form
    344,643.86/475,572.26 = 191,657.29/x
  3. Step 3: Cross multiply
    344,643.86x = 475,572.26 × 191,657.29
  4. Step 4: Simplify right side
    344,643.86x = 91,146,890,732.69
  5. Step 5: Solve for x
    x = 91,146,890,732.69/344,643.86
  6. Step 6: Final answer
    x = 264,466.89

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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.