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Finding the Fourth Proportional to 341,045.91, 511,428.06 and 116,424.43

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Solution

The fourth proportional to 341,045.91, 511,428.06 and 116,424.43 is: 174,588.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,045.91 : 511,428.06 = 116,424.43 : x
  2. Step 2: Convert to fraction form
    341,045.91/511,428.06 = 116,424.43/x
  3. Step 3: Cross multiply
    341,045.91x = 511,428.06 × 116,424.43
  4. Step 4: Simplify right side
    341,045.91x = 59,542,719,092.94
  5. Step 5: Solve for x
    x = 59,542,719,092.94/341,045.91
  6. Step 6: Final answer
    x = 174,588.57

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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.