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Finding the Fourth Proportional to 344,328.72, 475,173.14 and 191,362.10

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Solution

The fourth proportional to 344,328.72, 475,173.14 and 191,362.10 is: 264,079.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,328.72 : 475,173.14 = 191,362.10 : x
  2. Step 2: Convert to fraction form
    344,328.72/475,173.14 = 191,362.10/x
  3. Step 3: Cross multiply
    344,328.72x = 475,173.14 × 191,362.10
  4. Step 4: Simplify right side
    344,328.72x = 90,930,129,933.99
  5. Step 5: Solve for x
    x = 90,930,129,933.99/344,328.72
  6. Step 6: Final answer
    x = 264,079.42

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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.