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Finding the Fourth Proportional to 344,368.52, 475,205.50 and 191,396.78

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Solution

The fourth proportional to 344,368.52, 475,205.50 and 191,396.78 is: 264,114.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,368.52 : 475,205.50 = 191,396.78 : x
  2. Step 2: Convert to fraction form
    344,368.52/475,205.50 = 191,396.78/x
  3. Step 3: Cross multiply
    344,368.52x = 475,205.50 × 191,396.78
  4. Step 4: Simplify right side
    344,368.52x = 90,952,802,538.29
  5. Step 5: Solve for x
    x = 90,952,802,538.29/344,368.52
  6. Step 6: Final answer
    x = 264,114.74

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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.