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Finding the Fourth Proportional to 620,553.94, 930,884.45 and 171,274.82

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Solution

The fourth proportional to 620,553.94, 930,884.45 and 171,274.82 is: 256,927.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,553.94 : 930,884.45 = 171,274.82 : x
  2. Step 2: Convert to fraction form
    620,553.94/930,884.45 = 171,274.82/x
  3. Step 3: Cross multiply
    620,553.94x = 930,884.45 × 171,274.82
  4. Step 4: Simplify right side
    620,553.94x = 159,437,061,103.75
  5. Step 5: Solve for x
    x = 159,437,061,103.75/620,553.94
  6. Step 6: Final answer
    x = 256,927.00

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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.