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Finding the Fourth Proportional to 344,531.88, 475,396.20 and 191,565.72

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Solution

The fourth proportional to 344,531.88, 475,396.20 and 191,565.72 is: 264,328.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,531.88 : 475,396.20 = 191,565.72 : x
  2. Step 2: Convert to fraction form
    344,531.88/475,396.20 = 191,565.72/x
  3. Step 3: Cross multiply
    344,531.88x = 475,396.20 × 191,565.72
  4. Step 4: Simplify right side
    344,531.88x = 91,069,615,338.26
  5. Step 5: Solve for x
    x = 91,069,615,338.26/344,531.88
  6. Step 6: Final answer
    x = 264,328.56

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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.