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Finding the Fourth Proportional to 341,798.94, 512,365.17 and 136,572.43

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Solution

The fourth proportional to 341,798.94, 512,365.17 and 136,572.43 is: 204,725.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,798.94 : 512,365.17 = 136,572.43 : x
  2. Step 2: Convert to fraction form
    341,798.94/512,365.17 = 136,572.43/x
  3. Step 3: Cross multiply
    341,798.94x = 512,365.17 × 136,572.43
  4. Step 4: Simplify right side
    341,798.94x = 69,974,956,314.26
  5. Step 5: Solve for x
    x = 69,974,956,314.26/341,798.94
  6. Step 6: Final answer
    x = 204,725.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.