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Finding the Fourth Proportional to 535,647.61, 739,191.64 and 293,934.22

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Solution

The fourth proportional to 535,647.61, 739,191.64 and 293,934.22 is: 405,628.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,647.61 : 739,191.64 = 293,934.22 : x
  2. Step 2: Convert to fraction form
    535,647.61/739,191.64 = 293,934.22/x
  3. Step 3: Cross multiply
    535,647.61x = 739,191.64 × 293,934.22
  4. Step 4: Simplify right side
    535,647.61x = 217,273,718,133.92
  5. Step 5: Solve for x
    x = 217,273,718,133.92/535,647.61
  6. Step 6: Final answer
    x = 405,628.09

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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.