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Finding the Fourth Proportional to 344,606.45, 475,557.17 and 191,641.28

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Solution

The fourth proportional to 344,606.45, 475,557.17 and 191,641.28 is: 264,465.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,606.45 : 475,557.17 = 191,641.28 : x
  2. Step 2: Convert to fraction form
    344,606.45/475,557.17 = 191,641.28/x
  3. Step 3: Cross multiply
    344,606.45x = 475,557.17 × 191,641.28
  4. Step 4: Simplify right side
    344,606.45x = 91,136,381,435.99
  5. Step 5: Solve for x
    x = 91,136,381,435.99/344,606.45
  6. Step 6: Final answer
    x = 264,465.11

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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.